diff --git a/swh/web/tests/admin/test_origin_save.py b/swh/web/tests/admin/test_origin_save.py
--- a/swh/web/tests/admin/test_origin_save.py
+++ b/swh/web/tests/admin/test_origin_save.py
@@ -7,7 +7,6 @@
 
 
 from django.contrib.auth import get_user_model
-from nose.tools import istest, nottest
 from unittest.mock import patch
 
 from swh.web.common.models import (
@@ -32,22 +31,20 @@
 class OriginSaveAdminTestCase(SWHWebTestCase):
 
     @classmethod
-    def setUpTestData(cls):
-        User = get_user_model()
+    def setUpTestData(cls):  # noqa: N802
+        User = get_user_model()  # noqa: N806
         user = User.objects.create_user(_user_name, _user_mail, _user_password)
         user.is_staff = True
         user.save()
         SaveAuthorizedOrigin.objects.create(url=_authorized_origin_url)
         SaveUnauthorizedOrigin.objects.create(url=_unauthorized_origin_url)
 
-    @nottest
     def check_not_login(self, url):
         login_url = reverse('login', query_params={'next': url})
         response = self.client.post(url)
         self.assertEquals(response.status_code, 302)
         self.assertEquals(unquote(response.url), login_url)
 
-    @istest
     def test_add_authorized_origin_url(self):
         authorized_url = 'https://scm.adullact.net/anonscm/'
         self.assertEquals(can_save_origin(authorized_url),
@@ -67,7 +64,6 @@
         self.assertEquals(can_save_origin(authorized_url),
                           SAVE_REQUEST_ACCEPTED)
 
-    @istest
     def test_remove_authorized_origin_url(self):
         self.assertEquals(can_save_origin(_authorized_origin_url),
                           SAVE_REQUEST_ACCEPTED)
@@ -86,7 +82,6 @@
         self.assertEquals(can_save_origin(_authorized_origin_url),
                           SAVE_REQUEST_PENDING)
 
-    @istest
     def test_add_unauthorized_origin_url(self):
         unauthorized_url = 'https://www.yahoo./'
         self.assertEquals(can_save_origin(unauthorized_url),
@@ -106,7 +101,6 @@
         self.assertEquals(can_save_origin(unauthorized_url),
                           SAVE_REQUEST_REJECTED)
 
-    @istest
     def test_remove_unauthorized_origin_url(self):
         self.assertEquals(can_save_origin(_unauthorized_origin_url),
                           SAVE_REQUEST_REJECTED)
@@ -125,7 +119,6 @@
         self.assertEquals(can_save_origin(_unauthorized_origin_url),
                           SAVE_REQUEST_PENDING)
 
-    @istest
     @patch('swh.web.common.origin_save.scheduler')
     def test_accept_pending_save_request(self, mock_scheduler):
         origin_type = 'git'
@@ -175,7 +168,6 @@
         self.assertEquals(response.data[0]['save_task_status'],
                           SAVE_TASK_NOT_YET_SCHEDULED)
 
-    @istest
     def test_reject_pending_save_request(self):
         origin_type = 'git'
         origin_url = 'https://wikipedia.com'
diff --git a/swh/web/tests/api/test_api_lookup.py b/swh/web/tests/api/test_api_lookup.py
--- a/swh/web/tests/api/test_api_lookup.py
+++ b/swh/web/tests/api/test_api_lookup.py
@@ -3,9 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-
-from nose.tools import istest
-
 from swh.web.common.exc import NotFoundExc
 from swh.web.api.views import utils
 from swh.web.tests.testcase import SWHWebTestCase
@@ -13,8 +10,7 @@
 
 class ApiLookupTestCase(SWHWebTestCase):
 
-    @istest
-    def genericapi_lookup_nothing_is_found(self):
+    def test_genericapi_lookup_nothing_is_found(self):
         # given
         def test_generic_lookup_fn(sha1, another_unused_arg):
             assert another_unused_arg == 'unused_arg'
@@ -30,8 +26,7 @@
         self.assertIn('This will be raised because None is returned.',
                       cm.exception.args[0])
 
-    @istest
-    def generic_api_map_are_enriched_and_transformed_to_list(self):
+    def test_generic_api_map_are_enriched_and_transformed_to_list(self):
         # given
         def test_generic_lookup_fn_1(criteria0, param0, param1):
             assert criteria0 == 'something'
@@ -47,8 +42,7 @@
 
         self.assertEqual(actual_result, [4, 6, 8])
 
-    @istest
-    def generic_api_list_are_enriched_too(self):
+    def test_generic_api_list_are_enriched_too(self):
         # given
         def test_generic_lookup_fn_2(crit):
             assert crit == 'something'
@@ -63,8 +57,7 @@
 
         self.assertEqual(actual_result, ['=a=', '=b=', '=c='])
 
-    @istest
-    def generic_api_generator_are_enriched_and_returned_as_list(self):
+    def test_generic_api_generator_are_enriched_and_returned_as_list(self):
         # given
         def test_generic_lookup_fn_3(crit):
             assert crit == 'crit'
@@ -78,8 +71,7 @@
 
         self.assertEqual(actual_result, [3, 4, 5])
 
-    @istest
-    def generic_api_simple_data_are_enriched_and_returned_too(self):
+    def test_generic_api_simple_data_are_enriched_and_returned_too(self):
         # given
         def test_generic_lookup_fn_4(crit):
             assert crit == '123'
@@ -97,8 +89,7 @@
 
         self.assertEqual(actual_result, {'a': 100})
 
-    @istest
-    def api_lookup_not_found(self):
+    def test_api_lookup_not_found(self):
         # when
         with self.assertRaises(NotFoundExc) as e:
             utils.api_lookup(
@@ -108,8 +99,7 @@
         self.assertEqual(e.exception.args[0],
                          'this is the error message raised as it is None')
 
-    @istest
-    def api_lookup_with_result(self):
+    def test_api_lookup_with_result(self):
         # when
         actual_result = utils.api_lookup(
             lambda x: x + '!', 'something',
@@ -117,8 +107,7 @@
 
         self.assertEqual(actual_result, 'something!')
 
-    @istest
-    def api_lookup_with_result_as_map(self):
+    def test_api_lookup_with_result_as_map(self):
         # when
         actual_result = utils.api_lookup(
             lambda x: map(lambda y: y+1, x), [1, 2, 3],
diff --git a/swh/web/tests/api/test_apidoc.py b/swh/web/tests/api/test_apidoc.py
--- a/swh/web/tests/api/test_apidoc.py
+++ b/swh/web/tests/api/test_apidoc.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest, nottest
 from rest_framework.test import APITestCase
 from rest_framework.response import Response
 
@@ -63,8 +62,7 @@
 
 class APIDocTestCase(SWHWebTestCase, APITestCase):
 
-    @istest
-    def apidoc_nodoc_failure(self):
+    def test_apidoc_nodoc_failure(self):
         with self.assertRaises(Exception):
             @api_doc('/my/nodoc/url/')
             def apidoc_nodoc_tester(request, arga=0, argb=0):
@@ -74,15 +72,13 @@
     @api_route(r'/some/(?P<myarg>[0-9]+)/(?P<myotherarg>[0-9]+)/',
                'some-doc-route')
     @api_doc('/some/doc/route/')
-    @nottest
-    def apidoc_route_tester(request, myarg, myotherarg, akw=0):
+    def apidoc_route(request, myarg, myotherarg, akw=0):
         """
         Sample doc
         """
         return {'result': int(myarg) + int(myotherarg) + akw}
 
-    @istest
-    def apidoc_route_doc(self):
+    def test_apidoc_route_doc(self):
         # when
         rv = self.client.get('/api/1/some/doc/route/')
 
@@ -90,8 +86,7 @@
         self.assertEqual(rv.status_code, 200)
         self.assertTemplateUsed('api/apidoc.html')
 
-    @istest
-    def apidoc_route_fn(self):
+    def test_apidoc_route_fn(self):
 
         # when
         rv = self.client.get('/api/1/some/1/1/')
@@ -103,15 +98,13 @@
     @api_route(r'/some/full/(?P<myarg>[0-9]+)/(?P<myotherarg>[0-9]+)/',
                'some-complete-doc-route')
     @api_doc('/some/complete/doc/route/')
-    @nottest
-    def apidoc_full_stack_tester(request, myarg, myotherarg, akw=0):
+    def apidoc_full_stack(request, myarg, myotherarg, akw=0):
         """
         Sample doc
         """
         return {'result': int(myarg) + int(myotherarg) + akw}
 
-    @istest
-    def apidoc_full_stack_doc(self):
+    def test_apidoc_full_stack_doc(self):
         # when
         rv = self.client.get('/api/1/some/complete/doc/route/')
 
@@ -119,15 +112,13 @@
         self.assertEqual(rv.status_code, 200)
         self.assertTemplateUsed('api/apidoc.html')
 
-    @istest
-    def apidoc_full_stack_fn(self):
+    def test_apidoc_full_stack_fn(self):
         # when
         rv = self.client.get('/api/1/some/full/1/1/')
 
         # then
         self.assertEqual(rv.status_code, 200)
 
-    @istest
     def test_api_doc_parse_httpdomain(self):
         doc_data = {
             'description': '',
diff --git a/swh/web/tests/api/test_apiresponse.py b/swh/web/tests/api/test_apiresponse.py
--- a/swh/web/tests/api/test_apiresponse.py
+++ b/swh/web/tests/api/test_apiresponse.py
@@ -7,7 +7,6 @@
 
 from rest_framework.test import APIRequestFactory
 
-from nose.tools import istest
 from unittest.mock import patch
 
 from swh.web.api.apiresponse import (
@@ -20,8 +19,7 @@
 
 
 class SWHComputeLinkHeaderTest(SWHWebTestCase):
-    @istest
-    def compute_link_header(self):
+    def test_compute_link_header(self):
         rv = {
             'headers': {'link-next': 'foo', 'link-prev': 'bar'},
             'results': [1, 2, 3]
@@ -36,8 +34,7 @@
             'Link': '<foo>; rel="next",<bar>; rel="previous"',
         })
 
-    @istest
-    def compute_link_header_nothing_changed(self):
+    def test_compute_link_header_nothing_changed(self):
         rv = {}
         options = {}
 
@@ -47,8 +44,7 @@
 
         self.assertEquals(headers, {})
 
-    @istest
-    def compute_link_header_nothing_changed_2(self):
+    def test_compute_link_header_nothing_changed_2(self):
         rv = {'headers': {}}
         options = {}
 
@@ -60,28 +56,24 @@
 
 
 class SWHTransformProcessorTest(SWHWebTestCase):
-    @istest
-    def transform_only_return_results_1(self):
+    def test_transform_only_return_results_1(self):
         rv = {'results': {'some-key': 'some-value'}}
 
         self.assertEquals(transform(rv), {'some-key': 'some-value'})
 
-    @istest
-    def transform_only_return_results_2(self):
+    def test_transform_only_return_results_2(self):
         rv = {'headers': {'something': 'do changes'},
               'results': {'some-key': 'some-value'}}
 
         self.assertEquals(transform(rv), {'some-key': 'some-value'})
 
-    @istest
-    def transform_do_remove_headers(self):
+    def test_transform_do_remove_headers(self):
         rv = {'headers': {'something': 'do changes'},
               'some-key': 'some-value'}
 
         self.assertEquals(transform(rv), {'some-key': 'some-value'})
 
-    @istest
-    def transform_do_nothing(self):
+    def test_transform_do_nothing(self):
         rv = {'some-key': 'some-value'}
 
         self.assertEquals(transform(rv), {'some-key': 'some-value'})
@@ -92,9 +84,8 @@
     @patch('swh.web.api.apiresponse.json')
     @patch('swh.web.api.apiresponse.filter_by_fields')
     @patch('swh.web.api.apiresponse.shorten_path')
-    @istest
-    def swh_multi_response_mimetype(self, mock_shorten_path,
-                                    mock_filter, mock_json):
+    def test_swh_multi_response_mimetype(self, mock_shorten_path,
+                                         mock_filter, mock_json):
         # given
         data = {
             'data': [12, 34],
@@ -144,8 +135,7 @@
             if mime_type == 'text/html':
                 self.assertEqual(rv.template_name, 'api/apidoc.html')
 
-    @istest
-    def swh_filter_renderer_do_nothing(self):
+    def test_swh_filter_renderer_do_nothing(self):
         # given
         input_data = {'a': 'some-data'}
 
@@ -159,8 +149,7 @@
         self.assertEquals(actual_data, input_data)
 
     @patch('swh.web.api.apiresponse.utils.filter_field_keys')
-    @istest
-    def swh_filter_renderer_do_filter(self, mock_ffk):
+    def test_swh_filter_renderer_do_filter(self, mock_ffk):
         # given
         mock_ffk.return_value = {'a': 'some-data'}
 
diff --git a/swh/web/tests/api/test_utils.py b/swh/web/tests/api/test_utils.py
--- a/swh/web/tests/api/test_utils.py
+++ b/swh/web/tests/api/test_utils.py
@@ -4,7 +4,6 @@
 # See top-level LICENSE file for more information
 
 from unittest.mock import patch, call
-from nose.tools import istest, nottest
 
 from swh.web.api import utils
 from swh.web.tests.testcase import SWHWebTestCase
@@ -37,8 +36,7 @@
                        'd78a4a71ba1ad064770f0c9')
         }
 
-    @istest
-    def filter_field_keys_dict_unknown_keys(self):
+    def test_filter_field_keys_dict_unknown_keys(self):
         # when
         actual_res = utils.filter_field_keys(
             {'directory': 1, 'file': 2, 'link': 3},
@@ -47,8 +45,7 @@
         # then
         self.assertEqual(actual_res, {})
 
-    @istest
-    def filter_field_keys_dict(self):
+    def test_filter_field_keys_dict(self):
         # when
         actual_res = utils.filter_field_keys(
             {'directory': 1, 'file': 2, 'link': 3},
@@ -57,8 +54,7 @@
         # then
         self.assertEqual(actual_res, {'directory': 1, 'link': 3})
 
-    @istest
-    def filter_field_keys_list_unknown_keys(self):
+    def test_filter_field_keys_list_unknown_keys(self):
         # when
         actual_res = utils.filter_field_keys(
             [{'directory': 1, 'file': 2, 'link': 3},
@@ -68,8 +64,7 @@
         # then
         self.assertEqual(actual_res, [{}, {}])
 
-    @istest
-    def filter_field_keys_map(self):
+    def test_filter_field_keys_map(self):
         # when
         actual_res = utils.filter_field_keys(
             map(lambda x: {'i': x['i']+1, 'j': x['j']},
@@ -81,8 +76,7 @@
         # then
         self.assertEqual(list(actual_res), [{'i': 2}, {'i': 3}, {'i': 4}])
 
-    @istest
-    def filter_field_keys_list(self):
+    def test_filter_field_keys_list(self):
         # when
         actual_res = utils.filter_field_keys(
             [{'directory': 1, 'file': 2, 'link': 3},
@@ -92,8 +86,7 @@
         # then
         self.assertEqual(actual_res, [{'directory': 1}, {'dir': 1}])
 
-    @istest
-    def filter_field_keys_other(self):
+    def test_filter_field_keys_other(self):
         # given
         input_set = {1, 2}
 
@@ -103,14 +96,12 @@
         # then
         self.assertEqual(actual_res, input_set)
 
-    @istest
-    def person_to_string(self):
+    def test_person_to_string(self):
         self.assertEqual(utils.person_to_string(dict(name='raboof',
                                                      email='foo@bar')),
                          'raboof <foo@bar>')
 
-    @istest
-    def enrich_release_0(self):
+    def test_enrich_release_0(self):
         # when
         actual_release = utils.enrich_release({})
 
@@ -118,8 +109,7 @@
         self.assertEqual(actual_release, {})
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_release_1(self, mock_django_reverse):
+    def test_enrich_release_1(self, mock_django_reverse):
         # given
 
         def reverse_test_context(view_name, kwargs):
@@ -165,8 +155,7 @@
         ])
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_release_2(self, mock_django_reverse):
+    def test_enrich_release_2(self, mock_django_reverse):
         # given
         mock_django_reverse.return_value = '/api/1/dir/23/'
 
@@ -185,8 +174,7 @@
                                                     kwargs={'sha1_git': '23'})
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_release_3(self, mock_django_reverse):
+    def test_enrich_release_3(self, mock_django_reverse):
         # given
         mock_django_reverse.return_value = '/api/1/rev/3/'
 
@@ -205,8 +193,7 @@
                                                     kwargs={'sha1_git': '3'})
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_release_4(self, mock_django_reverse):
+    def test_enrich_release_4(self, mock_django_reverse):
         # given
         mock_django_reverse.return_value = '/api/1/rev/4/'
 
@@ -225,8 +212,7 @@
                                                     kwargs={'sha1_git': '4'})
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_directory_no_type(self, mock_django_reverse):
+    def test_enrich_directory_no_type(self, mock_django_reverse):
         # when/then
         self.assertEqual(utils.enrich_directory({'id': 'dir-id'}),
                          {'id': 'dir-id'})
@@ -253,8 +239,9 @@
             'content', kwargs={'q': 'sha1_git:123'})
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_directory_with_context_and_type_file(self, mock_django_reverse):
+    def test_enrich_directory_with_context_and_type_file(
+        self, mock_django_reverse,
+    ):
         # given
         mock_django_reverse.return_value = '/api/content/sha1_git:123/'
 
@@ -281,8 +268,9 @@
             'content', kwargs={'q': 'sha1_git:789'})
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_directory_with_context_and_type_dir(self, mock_django_reverse):
+    def test_enrich_directory_with_context_and_type_dir(
+        self, mock_django_reverse,
+    ):
         # given
         mock_django_reverse.return_value = '/api/directory/456/'
 
@@ -310,15 +298,13 @@
         mock_django_reverse.assert_called_once_with('directory',
                                                     kwargs={'sha1_git': '456'})
 
-    @istest
-    def enrich_content_without_hashes(self):
+    def test_enrich_content_without_hashes(self):
         # when/then
         self.assertEqual(utils.enrich_content({'id': '123'}),
                          {'id': '123'})
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_content_with_hashes(self, mock_django_reverse):
+    def test_enrich_content_with_hashes(self, mock_django_reverse):
 
         for algo, hash in self.sample_content_hashes.items():
 
@@ -362,9 +348,8 @@
             mock_django_reverse.reset()
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_content_with_hashes_and_top_level_url(self,
-                                                     mock_django_reverse):
+    def test_enrich_content_with_hashes_and_top_level_url(self,
+                                                          mock_django_reverse):
 
         for algo, hash in self.sample_content_hashes.items():
 
@@ -411,15 +396,13 @@
 
             mock_django_reverse.reset()
 
-    @istest
-    def enrich_entity_identity(self):
+    def test_enrich_entity_identity(self):
         # when/then
         self.assertEqual(utils.enrich_content({'id': '123'}),
                          {'id': '123'})
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_entity_with_sha1(self, mock_django_reverse):
+    def test_enrich_entity_with_sha1(self, mock_django_reverse):
         # given
         def reverse_test(view_name, kwargs):
             return '/api/entity/' + kwargs['uuid'] + '/'
@@ -446,7 +429,6 @@
             [call('entity', kwargs={'uuid': 'uuid-1'}),
              call('entity', kwargs={'uuid': 'uuid-parent'})])
 
-    @nottest
     def _reverse_context_test(self, view_name, kwargs):
         if view_name == 'revision':
             return '/api/revision/%s/' % kwargs['sha1_git']
@@ -459,8 +441,9 @@
                 return '/api/revision/%s/log/' % kwargs['sha1_git']
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_revision_without_children_or_parent(self, mock_django_reverse):
+    def test_enrich_revision_without_children_or_parent(
+        self, mock_django_reverse,
+    ):
         # given
         def reverse_test(view_name, kwargs):
             if view_name == 'revision':
@@ -505,9 +488,9 @@
              call('directory', kwargs={'sha1_git': '123'})])
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_revision_with_children_and_parent_no_dir(self,
-                                                        mock_django_reverse):
+    def test_enrich_revision_with_children_and_parent_no_dir(
+        self, mock_django_reverse,
+    ):
         # given
         mock_django_reverse.side_effect = self._reverse_context_test
 
@@ -542,8 +525,7 @@
              call('revision', kwargs={'sha1_git': '456'})])
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_revision_no_context(self, mock_django_reverse):
+    def test_enrich_revision_no_context(self, mock_django_reverse):
         # given
         mock_django_reverse.side_effect = self._reverse_context_test
 
@@ -573,8 +555,9 @@
              call('revision', kwargs={'sha1_git': '456'})])
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_revision_context_empty_prev_list(self, mock_django_reverse):
+    def test_enrich_revision_context_empty_prev_list(
+        self, mock_django_reverse,
+    ):
         # given
         mock_django_reverse.side_effect = self._reverse_context_test
 
@@ -609,8 +592,7 @@
              call('revision', kwargs={'sha1_git': '456'})])
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_revision_context_some_prev_list(self, mock_django_reverse):
+    def test_enrich_revision_context_some_prev_list(self, mock_django_reverse):
         # given
         mock_django_reverse.side_effect = self._reverse_context_test
 
@@ -644,7 +626,6 @@
              call('revision', kwargs={'sha1_git': '123'}),
              call('revision', kwargs={'sha1_git': '456'})])
 
-    @nottest
     def _reverse_rev_message_test(self, view_name, kwargs):
         if view_name == 'revision':
             return '/api/revision/%s/' % kwargs['sha1_git']
@@ -659,8 +640,7 @@
             return '/api/revision/%s/prev/%s/' % (kwargs['sha1_git'], kwargs['context'])  # noqa
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_revision_with_no_message(self, mock_django_reverse):
+    def test_enrich_revision_with_no_message(self, mock_django_reverse):
         # given
         mock_django_reverse.side_effect = self._reverse_rev_message_test
 
@@ -699,8 +679,7 @@
         )
 
     @patch('swh.web.api.utils.reverse')
-    @istest
-    def enrich_revision_with_invalid_message(self, mock_django_reverse):
+    def test_enrich_revision_with_invalid_message(self, mock_django_reverse):
         # given
         mock_django_reverse.side_effect = self._reverse_rev_message_test
 
diff --git a/swh/web/tests/api/views/test_content.py b/swh/web/tests/api/views/test_content.py
--- a/swh/web/tests/api/views/test_content.py
+++ b/swh/web/tests/api/views/test_content.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 from rest_framework.test import APITestCase
 from unittest.mock import patch, MagicMock
 
@@ -12,8 +11,7 @@
 
 class ContentApiTestCase(SWHWebTestCase, APITestCase):
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_filetype(self, mock_service):
+    def test_api_content_filetype(self, mock_service):
         stub_filetype = {
             'accepted_media_type': 'application/xml',
             'encoding': 'ascii',
@@ -41,8 +39,7 @@
             'sha1_git:b04caf10e9535160d90e874b45aa426de762f19f')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_filetype_sha_not_found(self, mock_service):
+    def test_api_content_filetype_sha_not_found(self, mock_service):
         # given
         mock_service.lookup_content_filetype.return_value = None
 
@@ -64,8 +61,7 @@
             'sha1:40e71b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_language(self, mock_service):
+    def test_api_content_language(self, mock_service):
         stub_language = {
             'lang': 'lisp',
             'id': '34571b8614fcd89ccd17ca2b1d9e66c5b00a6d03',
@@ -91,8 +87,7 @@
             'sha1_git:b04caf10e9535160d90e874b45aa426de762f19f')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_language_sha_not_found(self, mock_service):
+    def test_api_content_language_sha_not_found(self, mock_service):
         # given
         mock_service.lookup_content_language.return_value = None
 
@@ -114,8 +109,7 @@
             'sha1:40e71b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_symbol(self, mock_service):
+    def test_api_content_symbol(self, mock_service):
         stub_ctag = [{
             'sha1': '34571b8614fcd89ccd17ca2b1d9e66c5b00a6d03',
             'name': 'foobar',
@@ -152,8 +146,7 @@
             'foo', 'sha1', 10)
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_symbol_2(self, mock_service):
+    def test_api_content_symbol_2(self, mock_service):
         stub_ctag = [{
             'sha1': '12371b8614fcd89ccd17ca2b1d9e66c5b00a6456',
             'name': 'foobar',
@@ -183,8 +176,7 @@
             'foo', 'prev-sha1', 2)
 
     @patch('swh.web.api.views.content.service')
-    # @istest
-    def api_content_symbol_3(self, mock_service):
+    def test_api_content_symbol_3(self, mock_service):
         stub_ctag = [{
             'sha1': '67891b8614fcd89ccd17ca2b1d9e66c5b00a6d03',
             'name': 'foo',
@@ -220,8 +212,7 @@
         mock_service.lookup_expression.assert_called_once_with('foo', None, 10)
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_symbol_not_found(self, mock_service):
+    def test_api_content_symbol_not_found(self, mock_service):
         # given
         mock_service.lookup_expression.return_value = []
 
@@ -241,8 +232,7 @@
             'bar', 'hash', 10)
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_ctags(self, mock_service):
+    def test_api_content_ctags(self, mock_service):
         stub_ctags = {
             'id': '34571b8614fcd89ccd17ca2b1d9e66c5b00a6d03',
             'ctags': []
@@ -268,8 +258,7 @@
             'sha1_git:b04caf10e9535160d90e874b45aa426de762f19f')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_license(self, mock_service):
+    def test_api_content_license(self, mock_service):
         stub_license = {
             'licenses': ['No_license_found', 'Apache-2.0'],
             'id': '34571b8614fcd89ccd17ca2b1d9e66c5b00a6d03',
@@ -297,8 +286,7 @@
             'sha1_git:b04caf10e9535160d90e874b45aa426de762f19f')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_license_sha_not_found(self, mock_service):
+    def test_api_content_license_sha_not_found(self, mock_service):
         # given
         mock_service.lookup_content_license.return_value = None
 
@@ -320,8 +308,7 @@
             'sha1:40e71b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_provenance(self, mock_service):
+    def test_api_content_provenance(self, mock_service):
         stub_provenances = [{
             'origin': 1,
             'visit': 2,
@@ -358,8 +345,7 @@
             'sha1_git:34571b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_provenance_sha_not_found(self, mock_service):
+    def test_api_content_provenance_sha_not_found(self, mock_service):
         # given
         mock_service.lookup_content_provenance.return_value = None
 
@@ -381,8 +367,7 @@
             'sha1:40e71b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_metadata(self, mock_service):
+    def test_api_content_metadata(self, mock_service):
         # given
         mock_service.lookup_content.return_value = {
             'checksums': {
@@ -428,8 +413,7 @@
             'sha1:40e71b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_not_found_as_json(self, mock_service):
+    def test_api_content_not_found_as_json(self, mock_service):
         # given
         mock_service.lookup_content.return_value = None
         mock_service.lookup_content_provenance = MagicMock()
@@ -453,8 +437,7 @@
         mock_service.lookup_content_provenance.called = False
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_not_found_as_yaml(self, mock_service):
+    def test_api_content_not_found_as_yaml(self, mock_service):
         # given
         mock_service.lookup_content.return_value = None
         mock_service.lookup_content_provenance = MagicMock()
@@ -480,8 +463,7 @@
         mock_service.lookup_content_provenance.called = False
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_raw_ko_not_found(self, mock_service):
+    def test_api_content_raw_ko_not_found(self, mock_service):
         # given
         mock_service.lookup_content_raw.return_value = None
 
@@ -502,8 +484,7 @@
             'sha1:40e71b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_raw_text(self, mock_service):
+    def test_api_content_raw_text(self, mock_service):
         # given
         stub_content = {'data': b'some content data'}
         mock_service.lookup_content_raw.return_value = stub_content
@@ -532,8 +513,7 @@
             'sha1:40e71b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_raw_text_with_filename(self, mock_service):
+    def test_api_content_raw_text_with_filename(self, mock_service):
         # given
         stub_content = {'data': b'some content data'}
         mock_service.lookup_content_raw.return_value = stub_content
@@ -561,8 +541,7 @@
             'sha1:40e71b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_raw_no_accepted_media_type_text_is_not_available_for_download( # noqa
+    def test_api_content_raw_no_accepted_media_type_text_is_not_available_for_download( # noqa
             self, mock_service):
         # given
         stub_content = {'data': b'some content data'}
@@ -590,8 +569,7 @@
             'sha1:40e71b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_content_raw_no_accepted_media_type_found_so_not_available_for_download( # noqa
+    def test_api_content_raw_no_accepted_media_type_found_so_not_available_for_download( # noqa
             self, mock_service):
         # given
         stub_content = {'data': b'some content data'}
@@ -617,8 +595,7 @@
             'sha1:40e71b8614fcd89ccd17ca2b1d9e66c5b00a6d03')
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_check_content_known(self, mock_service):
+    def test_api_check_content_known(self, mock_service):
         # given
         mock_service.lookup_multiple_hashes.return_value = [
             {'found': True,
@@ -642,8 +619,7 @@
             [{'filename': None, 'sha1': 'sha1:blah'}])
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_check_content_known_as_yaml(self, mock_service):
+    def test_api_check_content_known_as_yaml(self, mock_service):
         # given
         mock_service.lookup_multiple_hashes.return_value = [
             {'found': True,
@@ -675,8 +651,7 @@
              {'filename': None, 'sha1': 'sha1_git:hello'}])
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_check_content_known_post_as_yaml(self, mock_service):
+    def test_api_check_content_known_post_as_yaml(self, mock_service):
         # given
         stub_result = [{'sha1': '7e62b1fe10c88a3eddbba930b156bee2956b2435',
                         'found': True},
@@ -708,8 +683,7 @@
         self.assertEquals(rv.data, expected_result)
 
     @patch('swh.web.api.views.content.service')
-    @istest
-    def api_check_content_known_not_found(self, mock_service):
+    def test_api_check_content_known_not_found(self, mock_service):
         # given
         stub_result = [{'sha1': 'sha1:halb',
                         'found': False}]
diff --git a/swh/web/tests/api/views/test_directory.py b/swh/web/tests/api/views/test_directory.py
--- a/swh/web/tests/api/views/test_directory.py
+++ b/swh/web/tests/api/views/test_directory.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 from rest_framework.test import APITestCase
 from unittest.mock import patch
 
@@ -13,8 +12,7 @@
 class DirectoryApiTestCase(SWHWebTestCase, APITestCase):
 
     @patch('swh.web.api.views.directory.service')
-    @istest
-    def api_directory(self, mock_service):
+    def test_api_directory(self, mock_service):
         # given
         stub_directories = [
             {
@@ -59,8 +57,7 @@
             '18d8be353ed3480476f032475e7c233eff7371d5')
 
     @patch('swh.web.api.views.directory.service')
-    @istest
-    def api_directory_not_found(self, mock_service):
+    def test_api_directory_not_found(self, mock_service):
         # given
         mock_service.lookup_directory.return_value = []
 
@@ -77,8 +74,7 @@
             '66618d8be353ed3480476f032475e7c233eff737 not found.'})
 
     @patch('swh.web.api.views.directory.service')
-    @istest
-    def api_directory_with_path_found(self, mock_service):
+    def test_api_directory_with_path_found(self, mock_service):
         # given
         expected_dir = {
                 'sha1_git': '18d8be353ed3480476f032475e7c233eff7371d5',
@@ -104,8 +100,7 @@
             '18d8be353ed3480476f032475e7c233eff7371d5', 'bla')
 
     @patch('swh.web.api.views.directory.service')
-    @istest
-    def api_directory_with_path_not_found(self, mock_service):
+    def test_api_directory_with_path_not_found(self, mock_service):
         # given
         mock_service.lookup_directory_with_path.return_value = None
         path = 'some/path/to/dir/'
diff --git a/swh/web/tests/api/views/test_entity.py b/swh/web/tests/api/views/test_entity.py
--- a/swh/web/tests/api/views/test_entity.py
+++ b/swh/web/tests/api/views/test_entity.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 from rest_framework.test import APITestCase
 from unittest.mock import patch
 
@@ -15,8 +14,7 @@
 class EntityApiTestCase(SWHWebTestCase, APITestCase):
 
     @patch('swh.web.api.views.entity.service')
-    @istest
-    def api_lookup_entity_by_uuid_not_found(self, mock_service):
+    def test_api_lookup_entity_by_uuid_not_found(self, mock_service):
         # when
         mock_service.lookup_entity_by_uuid.return_value = []
 
@@ -36,8 +34,7 @@
             '5f4d4c51-498a-4e28-88b3-b3e4e8396cba')
 
     @patch('swh.web.api.views.entity.service')
-    @istest
-    def api_lookup_entity_by_uuid_bad_request(self, mock_service):
+    def test_api_lookup_entity_by_uuid_bad_request(self, mock_service):
         # when
         mock_service.lookup_entity_by_uuid.side_effect = BadInputExc(
             'bad input: uuid malformed!')
@@ -54,8 +51,7 @@
             'uuid malformed')
 
     @patch('swh.web.api.views.entity.service')
-    @istest
-    def api_lookup_entity_by_uuid(self, mock_service):
+    def test_api_lookup_entity_by_uuid(self, mock_service):
         # when
         stub_entities = [
             {
diff --git a/swh/web/tests/api/views/test_identifiers.py b/swh/web/tests/api/views/test_identifiers.py
--- a/swh/web/tests/api/views/test_identifiers.py
+++ b/swh/web/tests/api/views/test_identifiers.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 from rest_framework.test import APITestCase
 from unittest.mock import patch
 
@@ -16,9 +15,8 @@
 
 class SwhIdsApiTestCase(SWHWebTestCase, APITestCase):
 
-    @istest
     @patch('swh.web.api.views.identifiers.service')
-    def swh_id_resolve_success(self, mock_service):
+    def test_swh_id_resolve_success(self, mock_service):
         rev_id = '96db9023b881d7cd9f379b0c154650d6c108e9a3'
         origin = 'https://github.com/openssl/openssl'
         swh_id = 'swh:1:rev:%s;origin=%s' % (rev_id, origin)
@@ -44,8 +42,7 @@
         self.assertEquals(resp.status_code, 200)
         self.assertEquals(resp.data, expected_result)
 
-    @istest
-    def swh_id_resolve_invalid(self):
+    def test_swh_id_resolve_invalid(self):
         rev_id_invalid = '96db9023b8_foo_50d6c108e9a3'
         swh_id = 'swh:1:rev:%s' % rev_id_invalid
         url = reverse('resolve-swh-pid', kwargs={'swh_id': swh_id})
@@ -54,9 +51,8 @@
 
         self.assertEquals(resp.status_code, 400)
 
-    @istest
     @patch('swh.web.api.views.identifiers.service')
-    def swh_id_resolve_not_found(self, mock_service):
+    def test_swh_id_resolve_not_found(self, mock_service):
         rev_id_not_found = '56db90232881d7cd9e379b0c154650d6c108e9a1'
 
         swh_id = 'swh:1:rev:%s' % rev_id_not_found
diff --git a/swh/web/tests/api/views/test_origin.py b/swh/web/tests/api/views/test_origin.py
--- a/swh/web/tests/api/views/test_origin.py
+++ b/swh/web/tests/api/views/test_origin.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 from rest_framework.test import APITestCase
 from unittest.mock import patch
 
@@ -30,8 +29,9 @@
         }
 
     @patch('swh.web.api.views.origin.get_origin_visits')
-    @istest
-    def api_1_lookup_origin_visits_raise_error(self, mock_get_origin_visits):
+    def test_api_1_lookup_origin_visits_raise_error(
+        self, mock_get_origin_visits,
+    ):
         # given
         mock_get_origin_visits.side_effect = ValueError(
             'voluntary error to check the bad request middleware.')
@@ -45,8 +45,7 @@
             'reason': 'voluntary error to check the bad request middleware.'})
 
     @patch('swh.web.common.utils.service')
-    @istest
-    def api_1_lookup_origin_visits_raise_swh_storage_error_db(
+    def test_api_1_lookup_origin_visits_raise_swh_storage_error_db(
             self, mock_service):
         # given
         mock_service.lookup_origin_visits.side_effect = StorageDBError(
@@ -63,8 +62,7 @@
             'SWH Storage exploded! Will be back online shortly!'})
 
     @patch('swh.web.common.utils.service')
-    @istest
-    def api_1_lookup_origin_visits_raise_swh_storage_error_api(
+    def test_api_1_lookup_origin_visits_raise_swh_storage_error_api(
             self, mock_service):
         # given
         mock_service.lookup_origin_visits.side_effect = StorageAPIError(
@@ -83,8 +81,7 @@
         })
 
     @patch('swh.web.api.views.origin.get_origin_visits')
-    @istest
-    def api_1_lookup_origin_visits(self, mock_get_origin_visits):
+    def test_api_1_lookup_origin_visits(self, mock_get_origin_visits):
         # given
         stub_visits = [
             {
@@ -141,8 +138,7 @@
         ])
 
     @patch('swh.web.api.views.origin.service')
-    @istest
-    def api_1_lookup_origin_visit(self, mock_service):
+    def test_api_1_lookup_origin_visit(self, mock_service):
         # given
         origin_visit = self.origin_visit1.copy()
         origin_visit.update({
@@ -168,8 +164,7 @@
         mock_service.lookup_origin_visit.assert_called_once_with('10', '100')
 
     @patch('swh.web.api.views.origin.service')
-    @istest
-    def api_1_lookup_origin_visit_not_found(self, mock_service):
+    def test_api_1_lookup_origin_visit_not_found(self, mock_service):
         # given
         mock_service.lookup_origin_visit.return_value = None
 
@@ -186,8 +181,7 @@
         mock_service.lookup_origin_visit.assert_called_once_with('1', '1000')
 
     @patch('swh.web.api.views.origin.service')
-    @istest
-    def api_origin_by_id(self, mock_service):
+    def test_api_origin_by_id(self, mock_service):
         # given
         mock_service.lookup_origin.return_value = self.origin1
 
@@ -207,8 +201,7 @@
         mock_service.lookup_origin.assert_called_with({'id': '1234'})
 
     @patch('swh.web.api.views.origin.service')
-    @istest
-    def api_origin_by_type_url(self, mock_service):
+    def test_api_origin_by_type_url(self, mock_service):
         # given
         stub_origin = self.origin1.copy()
         stub_origin.update({
@@ -235,8 +228,7 @@
              'type': 'ftp'})
 
     @patch('swh.web.api.views.origin.service')
-    @istest
-    def api_origin_not_found(self, mock_service):
+    def test_api_origin_not_found(self, mock_service):
         # given
         mock_service.lookup_origin.return_value = None
 
diff --git a/swh/web/tests/api/views/test_origin_save.py b/swh/web/tests/api/views/test_origin_save.py
--- a/swh/web/tests/api/views/test_origin_save.py
+++ b/swh/web/tests/api/views/test_origin_save.py
@@ -5,7 +5,6 @@
 
 from datetime import datetime, timedelta
 
-from nose.tools import istest, nottest
 from rest_framework.test import APITestCase
 from unittest.mock import patch
 
@@ -25,14 +24,13 @@
 class SaveApiTestCase(SWHWebTestCase, APITestCase):
 
     @classmethod
-    def setUpTestData(cls):
+    def setUpTestData(cls):  # noqa: N802
         SaveUnauthorizedOrigin.objects.create(
             url='https://github.com/user/illegal_repo')
         SaveUnauthorizedOrigin.objects.create(
             url='https://gitlab.com/user_to_exclude')
 
-    @istest
-    def invalid_origin_type(self):
+    def test_invalid_origin_type(self):
         url = reverse('save-origin',
                       kwargs={'origin_type': 'foo',
                               'origin_url': 'https://github.com/torvalds/linux'}) # noqa
@@ -40,8 +38,7 @@
         response = self.client.post(url)
         self.assertEquals(response.status_code, 400)
 
-    @istest
-    def invalid_origin_url(self):
+    def test_invalid_origin_url(self):
         url = reverse('save-origin',
                       kwargs={'origin_type': 'git',
                               'origin_url': 'bar'})
@@ -49,7 +46,6 @@
         response = self.client.post(url)
         self.assertEquals(response.status_code, 400)
 
-    @nottest
     def check_created_save_request_status(self, mock_scheduler, origin_url,
                                           scheduler_task_status,
                                           expected_request_status,
@@ -107,7 +103,6 @@
             else:
                 self.assertEqual(response.status_code, 403)
 
-    @nottest
     def check_save_request_status(self, mock_scheduler, origin_url,
                                   expected_request_status,
                                   expected_task_status,
@@ -153,9 +148,8 @@
             self.assertEqual(save_request_data['save_task_status'],
                              expected_task_status)
 
-    @istest
     @patch('swh.web.common.origin_save.scheduler')
-    def save_request_rejected(self, mock_scheduler):
+    def test_save_request_rejected(self, mock_scheduler):
         origin_url = 'https://github.com/user/illegal_repo'
         self.check_created_save_request_status(mock_scheduler, origin_url,
                                                None, SAVE_REQUEST_REJECTED)
@@ -163,9 +157,8 @@
                                        SAVE_REQUEST_REJECTED,
                                        SAVE_TASK_NOT_CREATED)
 
-    @istest
     @patch('swh.web.common.origin_save.scheduler')
-    def save_request_pending(self, mock_scheduler):
+    def test_save_request_pending(self, mock_scheduler):
         origin_url = 'https://unkwownforge.com/user/repo'
         self.check_created_save_request_status(mock_scheduler, origin_url,
                                                None, SAVE_REQUEST_PENDING,
@@ -174,9 +167,8 @@
                                        SAVE_REQUEST_PENDING,
                                        SAVE_TASK_NOT_CREATED)
 
-    @istest
     @patch('swh.web.common.origin_save.scheduler')
-    def save_request_succeed(self, mock_scheduler):
+    def test_save_request_succeed(self, mock_scheduler):
         origin_url = 'https://github.com/Kitware/CMake'
         self.check_created_save_request_status(mock_scheduler, origin_url,
                                                None, SAVE_REQUEST_ACCEPTED,
@@ -197,9 +189,8 @@
                                        scheduler_task_status='completed',
                                        visit_date=visit_date) # noqa
 
-    @istest
     @patch('swh.web.common.origin_save.scheduler')
-    def save_request_failed(self, mock_scheduler):
+    def test_save_request_failed(self, mock_scheduler):
         origin_url = 'https://gitlab.com/inkscape/inkscape'
         self.check_created_save_request_status(mock_scheduler, origin_url,
                                                None, SAVE_REQUEST_ACCEPTED,
@@ -213,9 +204,8 @@
                                        SAVE_TASK_FAILED,
                                        scheduler_task_status='disabled') # noqa
 
-    @istest
     @patch('swh.web.common.origin_save.scheduler')
-    def create_save_request_only_when_needed(self, mock_scheduler):
+    def test_create_save_request_only_when_needed(self, mock_scheduler):
         origin_url = 'https://gitlab.com/webpack/webpack'
         SaveOriginRequest.objects.create(origin_type='git',
                                          origin_url=origin_url,
diff --git a/swh/web/tests/api/views/test_person.py b/swh/web/tests/api/views/test_person.py
--- a/swh/web/tests/api/views/test_person.py
+++ b/swh/web/tests/api/views/test_person.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 from rest_framework.test import APITestCase
 from unittest.mock import patch
 
@@ -13,8 +12,7 @@
 class PersonApiTestCase(SWHWebTestCase, APITestCase):
 
     @patch('swh.web.api.views.person.service')
-    @istest
-    def api_person(self, mock_service):
+    def test_api_person(self, mock_service):
         # given
         stub_person = {
             'id': '198003',
@@ -32,8 +30,7 @@
         self.assertEquals(rv.data, stub_person)
 
     @patch('swh.web.api.views.person.service')
-    @istest
-    def api_person_not_found(self, mock_service):
+    def test_api_person_not_found(self, mock_service):
         # given
         mock_service.lookup_person.return_value = None
 
diff --git a/swh/web/tests/api/views/test_release.py b/swh/web/tests/api/views/test_release.py
--- a/swh/web/tests/api/views/test_release.py
+++ b/swh/web/tests/api/views/test_release.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 from rest_framework.test import APITestCase
 from unittest.mock import patch
 
@@ -13,8 +12,7 @@
 class ReleaseApiTestCase(SWHWebTestCase, APITestCase):
 
     @patch('swh.web.api.views.release.service')
-    @istest
-    def api_release(self, mock_service):
+    def test_api_release(self, mock_service):
         release_id = '7045404f3d1c54e6473'
         target_id = '6072557b6c10cd9a211'
         # given
@@ -59,8 +57,7 @@
         mock_service.lookup_release.assert_called_once_with(release_id)
 
     @patch('swh.web.api.views.release.service')
-    @istest
-    def api_release_target_type_not_a_revision(self, mock_service):
+    def test_api_release_target_type_not_a_revision(self, mock_service):
         release = '8d56a78'
         target = '9a5c3f'
         # given
@@ -104,8 +101,7 @@
         mock_service.lookup_release.assert_called_once_with(release)
 
     @patch('swh.web.api.views.release.service')
-    @istest
-    def api_release_not_found(self, mock_service):
+    def test_api_release_not_found(self, mock_service):
         # given
         mock_service.lookup_release.return_value = None
 
diff --git a/swh/web/tests/api/views/test_revision.py b/swh/web/tests/api/views/test_revision.py
--- a/swh/web/tests/api/views/test_revision.py
+++ b/swh/web/tests/api/views/test_revision.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 from rest_framework.test import APITestCase
 from unittest.mock import patch
 
@@ -18,8 +17,7 @@
 class ReleaseApiTestCase(SWHWebTestCase, APITestCase):
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision(self, mock_service):
+    def test_api_revision(self, mock_service):
         # given
         stub_revision = {
             'id': '18d8be353ed3480476f032475e7c233eff7371d5',
@@ -93,8 +91,7 @@
             '18d8be353ed3480476f032475e7c233eff7371d5')
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_not_found(self, mock_service):
+    def test_api_revision_not_found(self, mock_service):
         # given
         mock_service.lookup_revision.return_value = None
 
@@ -109,8 +106,7 @@
             'reason': 'Revision with sha1_git 12345 not found.'})
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_raw_ok(self, mock_service):
+    def test_api_revision_raw_ok(self, mock_service):
         # given
         stub_revision = {'message': 'synthetic revision message'}
 
@@ -128,8 +124,7 @@
             '18d8be353ed3480476f032475e7c233eff7371d5')
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_raw_ok_no_msg(self, mock_service):
+    def test_api_revision_raw_ok_no_msg(self, mock_service):
         # given
         mock_service.lookup_revision_message.side_effect = NotFoundExc(
             'No message for revision')
@@ -150,8 +145,7 @@
             '18d8be353ed3480476f032475e7c233eff7371d5')
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_raw_ko_no_rev(self, mock_service):
+    def test_api_revision_raw_ko_no_rev(self, mock_service):
         # given
         mock_service.lookup_revision_message.side_effect = NotFoundExc(
             'No revision found')
@@ -171,8 +165,7 @@
             '18d8be353ed3480476f032475e7c233eff7371d5')
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_with_origin_not_found(self, mock_service):
+    def test_api_revision_with_origin_not_found(self, mock_service):
         mock_service.lookup_revision_by.return_value = None
 
         rv = self.client.get('/api/1/revision/origin/123/')
@@ -190,8 +183,7 @@
             None)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_with_origin(self, mock_service):
+    def test_api_revision_with_origin(self, mock_service):
         mock_revision = {
             'id': '32',
             'directory': '21',
@@ -222,8 +214,7 @@
             None)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_with_origin_and_branch_name(self, mock_service):
+    def test_api_revision_with_origin_and_branch_name(self, mock_service):
         mock_revision = {
             'id': '12',
             'directory': '23',
@@ -258,8 +249,7 @@
     @patch('swh.web.api.views.revision.parse_timestamp')
     @patch('swh.web.api.views.revision.service')
     @patch('swh.web.api.views.revision.utils')
-    @istest
-    def api_revision_with_origin_and_branch_name_and_timestamp(self,
+    def test_api_revision_with_origin_and_branch_name_and_timestamp(self,
                                                                mock_utils,
                                                                mock_service,
                                                                mock_parse_timestamp): # noqa
@@ -305,8 +295,7 @@
     @patch('swh.web.api.views.revision.parse_timestamp')
     @patch('swh.web.api.views.revision.service')
     @patch('swh.web.api.views.revision.utils')
-    @istest
-    def api_revision_with_origin_and_branch_name_and_timestamp_with_escapes(
+    def test_api_revision_with_origin_and_branch_name_and_timestamp_escapes(
             self,
             mock_utils,
             mock_service,
@@ -346,8 +335,7 @@
             mock_revision)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def revision_directory_by_ko_raise(self, mock_service):
+    def test_revision_directory_by_ko_raise(self, mock_service):
         # given
         mock_service.lookup_directory_through_revision.side_effect = NotFoundExc('not')  # noqa
 
@@ -364,8 +352,7 @@
             None, limit=100, with_data=False)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def revision_directory_by_type_dir(self, mock_service):
+    def test_revision_directory_by_type_dir(self, mock_service):
         # given
         mock_service.lookup_directory_through_revision.return_value = (
             'rev-id',
@@ -393,8 +380,7 @@
             'some/path', limit=100, with_data=False)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def revision_directory_by_type_file(self, mock_service):
+    def test_revision_directory_by_type_file(self, mock_service):
         # given
         mock_service.lookup_directory_through_revision.return_value = (
             'rev-id',
@@ -426,8 +412,7 @@
     @patch('swh.web.api.views.revision.parse_timestamp')
     @patch('swh.web.api.views.revision._revision_directory_by')
     @patch('swh.web.api.views.revision.utils')
-    @istest
-    def api_directory_through_revision_origin_ko_not_found(self,
+    def test_api_directory_through_revision_origin_ko_not_found(self,
                                                            mock_utils,
                                                            mock_rev_dir,
                                                            mock_parse_timestamp): # noqa
@@ -459,9 +444,8 @@
             with_data=False)
 
     @patch('swh.web.api.views.revision._revision_directory_by')
-    @istest
-    def api_directory_through_revision_origin(self,
-                                              mock_revision_dir):
+    def test_api_directory_through_revision_origin(self,
+                                                   mock_revision_dir):
         expected_res = [{
             'id': '123'
         }]
@@ -481,8 +465,7 @@
                                                   with_data=False)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_log(self, mock_service):
+    def test_api_revision_log(self, mock_service):
         # given
         stub_revisions = [{
             'id': '18d8be353ed3480476f032475e7c233eff7371d5',
@@ -538,8 +521,7 @@
             '8834ef7e7c357ce2af928115c6c6a42b7e2a44e6', 11)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_log_with_next(self, mock_service):
+    def test_api_revision_log_with_next(self, mock_service):
         # given
         stub_revisions = []
         for i in range(27):
@@ -567,8 +549,7 @@
             '8834ef7e7c357ce2af928115c6c6a42b7e2a44e6', 26)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_log_not_found(self, mock_service):
+    def test_api_revision_log_not_found(self, mock_service):
         # given
         mock_service.lookup_revision_log.return_value = None
 
@@ -589,8 +570,7 @@
             '8834ef7e7c357ce2af928115c6c6a42b7e2a44e6', 11)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_log_context(self, mock_service):
+    def test_api_revision_log_context(self, mock_service):
         # given
         stub_revisions = [{
             'id': '18d8be353ed3480476f032475e7c233eff7371d5',
@@ -688,8 +668,7 @@
             ['21145781e26ad1f978e'])
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_log_by(self, mock_service):
+    def test_api_revision_log_by(self, mock_service):
         # given
         stub_revisions = [{
             'id': '18d8be353ed3480476f032475e7c233eff7371d5',
@@ -743,8 +722,7 @@
             '1', 'refs/heads/master', None, 11)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_log_by_with_next(self, mock_service):
+    def test_api_revision_log_by_with_next(self, mock_service):
         # given
         stub_revisions = []
         for i in range(27):
@@ -770,8 +748,7 @@
             '1', 'refs/heads/master', None, 26)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_log_by_norev(self, mock_service):
+    def test_api_revision_log_by_norev(self, mock_service):
         # given
         mock_service.lookup_revision_log_by.side_effect = NotFoundExc(
             'No revision')
@@ -790,8 +767,7 @@
             '1', 'refs/heads/master', None, 11)
 
     @patch('swh.web.api.views.revision.service')
-    @istest
-    def api_revision_history(self, mock_service):
+    def test_api_revision_history(self, mock_service):
         # for readability purposes, we use:
         # - sha1 as 3 letters (url are way too long otherwise to respect pep8)
         # - only keys with modification steps (all other keys are kept as is)
@@ -827,8 +803,7 @@
         mock_service.lookup_revision.assert_called_once_with('883')
 
     @patch('swh.web.api.views.revision._revision_directory_by')
-    @istest
-    def api_revision_directory_ko_not_found(self, mock_rev_dir):
+    def test_api_revision_directory_ko_not_found(self, mock_rev_dir):
         # given
         mock_rev_dir.side_effect = NotFoundExc('Not found')
 
@@ -848,8 +823,7 @@
             with_data=False)
 
     @patch('swh.web.api.views.revision._revision_directory_by')
-    @istest
-    def api_revision_directory_ok_returns_dir_entries(self, mock_rev_dir):
+    def test_api_revision_directory_ok_returns_dir_entries(self, mock_rev_dir):
         stub_dir = {
             'type': 'dir',
             'revision': '999',
@@ -891,8 +865,7 @@
             with_data=False)
 
     @patch('swh.web.api.views.revision._revision_directory_by')
-    @istest
-    def api_revision_directory_ok_returns_content(self, mock_rev_dir):
+    def test_api_revision_directory_ok_returns_content(self, mock_rev_dir):
         stub_content = {
             'type': 'file',
             'revision': '999',
diff --git a/swh/web/tests/api/views/test_stat.py b/swh/web/tests/api/views/test_stat.py
--- a/swh/web/tests/api/views/test_stat.py
+++ b/swh/web/tests/api/views/test_stat.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 from rest_framework.test import APITestCase
 from unittest.mock import patch
 
@@ -14,8 +13,7 @@
 
 class StatApiTestCase(SWHWebTestCase, APITestCase):
     @patch('swh.web.api.views.stat.service')
-    @istest
-    def api_1_stat_counters_raise_error(self, mock_service):
+    def test_api_1_stat_counters_raise_error(self, mock_service):
         # given
         mock_service.stat_counters.side_effect = ValueError(
             'voluntary error to check the bad request middleware.')
@@ -29,8 +27,7 @@
             'reason': 'voluntary error to check the bad request middleware.'})
 
     @patch('swh.web.api.views.stat.service')
-    @istest
-    def api_1_stat_counters_raise_swh_storage_error_db(self, mock_service):
+    def test_api_1_stat_counters_raise_from_db(self, mock_service):
         # given
         mock_service.stat_counters.side_effect = StorageDBError(
             'SWH Storage exploded! Will be back online shortly!')
@@ -46,8 +43,7 @@
             'SWH Storage exploded! Will be back online shortly!'})
 
     @patch('swh.web.api.views.stat.service')
-    @istest
-    def api_1_stat_counters_raise_swh_storage_error_api(self, mock_service):
+    def test_api_1_stat_counters_raise_from_api(self, mock_service):
         # given
         mock_service.stat_counters.side_effect = StorageAPIError(
             'SWH Storage API dropped dead! Will resurrect from its ashes asap!'
@@ -65,8 +61,7 @@
         })
 
     @patch('swh.web.api.views.stat.service')
-    @istest
-    def api_1_stat_counters(self, mock_service):
+    def test_api_1_stat_counters(self, mock_service):
         # given
         stub_stats = {
             "content": 1770830,
diff --git a/swh/web/tests/api/views/test_vault.py b/swh/web/tests/api/views/test_vault.py
--- a/swh/web/tests/api/views/test_vault.py
+++ b/swh/web/tests/api/views/test_vault.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 from rest_framework.test import APITestCase
 from unittest.mock import patch
 
@@ -19,8 +18,7 @@
 
 class VaultApiTestCase(SWHWebTestCase, APITestCase):
     @patch('swh.web.api.views.vault.service')
-    @istest
-    def api_vault_cook(self, mock_service):
+    def test_api_vault_cook(self, mock_service):
         stub_cook = {
             'fetch_url': ('http://127.0.0.1:5004/api/1/vault/directory/{}/raw/'
                           .format(TEST_OBJ_ID)),
@@ -59,8 +57,7 @@
                 obj_type, hashutil.hash_to_bytes(TEST_OBJ_ID))
 
     @patch('swh.web.api.views.vault.service')
-    @istest
-    def api_vault_cook_notfound(self, mock_service):
+    def test_api_vault_cook_notfound(self, mock_service):
         mock_service.vault_cook.return_value = None
         mock_service.vault_fetch.return_value = None
 
diff --git a/swh/web/tests/browse/test_utils.py b/swh/web/tests/browse/test_utils.py
--- a/swh/web/tests/browse/test_utils.py
+++ b/swh/web/tests/browse/test_utils.py
@@ -6,7 +6,6 @@
 # flake8: noqa
 
 from unittest.mock import patch
-from nose.tools import istest
 
 from swh.web.browse import utils
 from swh.web.common.exc import NotFoundExc
@@ -18,15 +17,13 @@
 
 class SwhBrowseUtilsTestCase(SWHWebTestCase):
 
-    @istest
-    def get_mimetype_and_encoding_for_content(self):
+    def test_get_mimetype_and_encoding_for_content(self):
         text = b'Hello world!'
         self.assertEqual(utils.get_mimetype_and_encoding_for_content(text),
                          ('text/plain', 'us-ascii'))
 
     @patch('swh.web.browse.utils.get_origin_visits')
-    @istest
-    def get_origin_visit(self, mock_origin_visits):
+    def test_get_origin_visit(self, mock_origin_visits):
         origin_info = {
             'id': 2,
             'type': 'git',
@@ -102,8 +99,7 @@
 
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.browse.utils.get_origin_visit')
-    @istest
-    def get_origin_visit_snapshot(self, mock_get_origin_visit,
+    def test_get_origin_visit_snapshot(self, mock_get_origin_visit,
                                   mock_service):
 
         mock_get_origin_visit.return_value = \
@@ -223,13 +219,11 @@
 
         self.assertEqual(origin_visit_branches, expected_result)
 
-    @istest
-    def gen_link(self):
+    def test_gen_link(self):
         self.assertEqual(utils.gen_link('https://www.softwareheritage.org/', 'SWH'),
                          '<a href="https://www.softwareheritage.org/">SWH</a>')
 
-    @istest
-    def gen_person_link(self):
+    def test_gen_person_link(self):
         person_id = 8221896
         person_name = 'Antoine Lambert'
         person_url = reverse('browse-person', kwargs={'person_id': person_id})
@@ -237,8 +231,7 @@
         self.assertEqual(utils.gen_person_link(person_id, person_name),
                          '<a href="%s">%s</a>' % (person_url, person_name))
 
-    @istest
-    def gen_revision_link(self):
+    def test_gen_revision_link(self):
         revision_id = '28a0bc4120d38a394499382ba21d6965a67a3703'
         revision_url = reverse('browse-revision',
                                kwargs={'sha1_git': revision_id})
@@ -248,8 +241,7 @@
         self.assertEqual(utils.gen_revision_link(revision_id, shorten_id=True),
                          '<a href="%s">%s</a>' % (revision_url, revision_id[:7]))
 
-    @istest
-    def prepare_revision_log_for_display_no_contex(self):
+    def test_prepare_revision_log_for_display_no_contex(self):
         per_page = 10
         first_page_logs_data = revision_history_log_test[:per_page+1]
         second_page_logs_data = revision_history_log_test[per_page:2*per_page+1]
@@ -331,8 +323,7 @@
         self.assertEqual(revision_log_display_data['next_revs_breadcrumb'],
                          '/'.join(old_prev_revs_bc.split('/')[:-1]))
 
-    @istest
-    def prepare_revision_log_for_display_snapshot_context(self):
+    def test_prepare_revision_log_for_display_snapshot_context(self):
         per_page = 10
         first_page_logs_data = revision_history_log_test[:per_page+1]
         second_page_logs_data = revision_history_log_test[per_page:2*per_page+1]
diff --git a/swh/web/tests/browse/views/test_content.py b/swh/web/tests/browse/views/test_content.py
--- a/swh/web/tests/browse/views/test_content.py
+++ b/swh/web/tests/browse/views/test_content.py
@@ -6,7 +6,6 @@
 import base64
 
 from unittest.mock import patch
-from nose.tools import istest
 
 from django.utils.html import escape
 from django.utils.encoding import DjangoUnicodeDecodeError
@@ -33,8 +32,7 @@
 class SwhBrowseContentTest(SWHWebTestCase):
 
     @patch('swh.web.browse.views.content.request_content')
-    @istest
-    def content_view_text(self, mock_request_content):
+    def test_content_view_text(self, mock_request_content):
         mock_request_content.return_value = stub_content_text_data
 
         sha1_git = stub_content_text_data['checksums']['sha1_git']
@@ -61,8 +59,7 @@
         self.assertContains(resp, swh_cnt_id_url)
 
     @patch('swh.web.browse.views.content.request_content')
-    @istest
-    def content_view_text_no_highlight(self, mock_request_content):
+    def test_content_view_text_no_highlight(self, mock_request_content):
         mock_request_content.return_value = stub_content_text_no_highlight_data
 
         sha1_git = stub_content_text_no_highlight_data['checksums']['sha1_git']
@@ -90,8 +87,7 @@
         self.assertContains(resp, swh_cnt_id_url)
 
     @patch('swh.web.browse.utils.service')
-    @istest
-    def content_view_no_utf8_text(self, mock_service):
+    def test_content_view_no_utf8_text(self, mock_service):
         mock_service.lookup_content.return_value = \
             non_utf8_encoded_content_data
 
@@ -120,8 +116,7 @@
             self.fail('Textual content is not encoded in utf-8')
 
     @patch('swh.web.browse.views.content.request_content')
-    @istest
-    def content_view_image(self, mock_request_content):
+    def test_content_view_image(self, mock_request_content):
 
         mime_type = 'image/png'
         mock_request_content.return_value = stub_content_bin_data
@@ -137,16 +132,15 @@
         self.assertEquals(resp.status_code, 200)
         self.assertTemplateUsed('browse/content.html')
 
-        pngEncoded = base64.b64encode(stub_content_bin_data['raw_data']) \
-                           .decode('utf-8')
+        png_encoded = base64.b64encode(stub_content_bin_data['raw_data']) \
+                            .decode('utf-8')
 
         self.assertContains(resp, '<img src="data:%s;base64,%s"/>'
-                                  % (mime_type, pngEncoded))
+                                  % (mime_type, png_encoded))
         self.assertContains(resp, url_raw)
 
     @patch('swh.web.browse.views.content.request_content')
-    @istest
-    def content_view_with_path(self, mock_request_content):
+    def test_content_view_with_path(self, mock_request_content):
         mock_request_content.return_value = stub_content_text_data
 
         url = reverse('browse-content',
@@ -194,8 +188,7 @@
         self.assertContains(resp, url_raw)
 
     @patch('swh.web.browse.views.content.request_content')
-    @istest
-    def content_raw_text(self, mock_request_content):
+    def test_content_raw_text(self, mock_request_content):
         mock_request_content.return_value = stub_content_text_data
 
         url = reverse('browse-content-raw',
@@ -224,7 +217,6 @@
         self.assertEqual(resp.content, stub_content_text_data['raw_data'])
 
     @patch('swh.web.browse.utils.service')
-    @istest
     def test_content_raw_no_utf8_text(self, mock_service):
         mock_service.lookup_content.return_value = \
             non_utf8_encoded_content_data
@@ -245,8 +237,7 @@
         self.assertEqual(encoding, non_utf8_encoding)
 
     @patch('swh.web.browse.views.content.request_content')
-    @istest
-    def content_raw_bin(self, mock_request_content):
+    def test_content_raw_bin(self, mock_request_content):
         mock_request_content.return_value = stub_content_bin_data
 
         url = reverse('browse-content-raw',
@@ -274,8 +265,7 @@
         self.assertEqual(resp.content, stub_content_bin_data['raw_data'])
 
     @patch('swh.web.browse.views.content.request_content')
-    @istest
-    def content_request_errors(self, mock_request_content):
+    def test_content_request_errors(self, mock_request_content):
 
         url = reverse('browse-content', kwargs={'query_string': '123456'})
         resp = self.client.get(url)
@@ -291,8 +281,7 @@
         self.assertTemplateUsed('error.html')
 
     @patch('swh.web.browse.utils.service')
-    @istest
-    def content_bytes_missing(self, mock_service):
+    def test_content_bytes_missing(self, mock_service):
 
         content_data = dict(stub_content_text_data)
         content_data['raw_data'] = None
@@ -308,8 +297,7 @@
         self.assertTemplateUsed('browse/content.html')
 
     @patch('swh.web.browse.views.content.request_content')
-    @istest
-    def content_too_large(self, mock_request_content):
+    def test_content_too_large(self, mock_request_content):
         mock_request_content.return_value = stub_content_too_large_data
 
         url = reverse('browse-content',
diff --git a/swh/web/tests/browse/views/test_directory.py b/swh/web/tests/browse/views/test_directory.py
--- a/swh/web/tests/browse/views/test_directory.py
+++ b/swh/web/tests/browse/views/test_directory.py
@@ -4,7 +4,6 @@
 # See top-level LICENSE file for more information
 
 from unittest.mock import patch
-from nose.tools import istest, nottest
 
 from swh.web.common.exc import BadInputExc, NotFoundExc
 from swh.web.common.utils import reverse, get_swh_persistent_id
@@ -19,7 +18,6 @@
 
 class SwhBrowseDirectoryTest(SWHWebTestCase):
 
-    @nottest
     def directory_view(self, root_directory_sha1, directory_entries,
                        path=None):
         dirs = [e for e in directory_entries if e['type'] in ('dir', 'rev')]
@@ -92,8 +90,7 @@
         self.assertContains(resp, swh_dir_id_url)
 
     @patch('swh.web.browse.utils.service')
-    @istest
-    def root_directory_view(self, mock_service):
+    def test_root_directory_view(self, mock_service):
         mock_service.lookup_directory.return_value = \
             stub_root_directory_data
 
@@ -101,8 +98,8 @@
 
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.browse.views.directory.service')
-    @istest
-    def sub_directory_view(self, mock_directory_service, mock_utils_service):
+    def test_sub_directory_view(self, mock_directory_service,
+                                mock_utils_service):
         mock_utils_service.lookup_directory.return_value = \
             stub_sub_directory_data
         mock_directory_service.lookup_directory_with_path.return_value = \
@@ -114,9 +111,8 @@
 
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.browse.views.directory.service')
-    @istest
-    def directory_request_errors(self, mock_directory_service,
-                                 mock_utils_service):
+    def test_directory_request_errors(self, mock_directory_service,
+                                      mock_utils_service):
 
         mock_utils_service.lookup_directory.side_effect = \
             BadInputExc('directory not found')
diff --git a/swh/web/tests/browse/views/test_identifiers.py b/swh/web/tests/browse/views/test_identifiers.py
--- a/swh/web/tests/browse/views/test_identifiers.py
+++ b/swh/web/tests/browse/views/test_identifiers.py
@@ -6,7 +6,6 @@
 # flake8: noqa
 
 from unittest.mock import patch
-from nose.tools import istest
 
 from swh.web.common.exc import BadInputExc
 from swh.web.common.utils import reverse
@@ -25,8 +24,7 @@
 
 class SwhBrowseIdTest(SWHWebTestCase):
 
-    @istest
-    def content_id_browse(self):
+    def test_content_id_browse(self):
         cnt_sha1_git = stub_content_text_data['checksums']['sha1_git']
         swh_id = swh_id_prefix + 'cnt:' + cnt_sha1_git
         url = reverse('browse-swh-id',
@@ -41,8 +39,7 @@
         self.assertEquals(resp.status_code, 302)
         self.assertEqual(resp['location'], content_browse_url)
 
-    @istest
-    def directory_id_browse(self):
+    def test_directory_id_browse(self):
         swh_id = swh_id_prefix + 'dir:' + stub_root_directory_sha1
         url = reverse('browse-swh-id',
                       kwargs={'swh_id': swh_id})
@@ -55,8 +52,7 @@
         self.assertEquals(resp.status_code, 302)
         self.assertEqual(resp['location'], directory_browse_url)
 
-    @istest
-    def revision_id_browse(self):
+    def test_revision_id_browse(self):
         swh_id = swh_id_prefix + 'rev:' + revision_id_test
         url = reverse('browse-swh-id',
                       kwargs={'swh_id': swh_id})
@@ -84,8 +80,7 @@
         self.assertEquals(resp.status_code, 302)
         self.assertEqual(resp['location'], revision_browse_url)
 
-    @istest
-    def release_id_browse(self):
+    def test_release_id_browse(self):
         swh_id = swh_id_prefix + 'rel:' + stub_release['id']
         url = reverse('browse-swh-id',
                       kwargs={'swh_id': swh_id})
@@ -113,8 +108,7 @@
         self.assertEquals(resp.status_code, 302)
         self.assertEqual(resp['location'], release_browse_url)
 
-    @istest
-    def bad_id_browse(self):
+    def test_bad_id_browse(self):
         swh_id = swh_id_prefix + 'foo:' + stub_release['id']
         url = reverse('browse-swh-id',
                       kwargs={'swh_id': swh_id})
@@ -122,8 +116,7 @@
         resp = self.client.get(url)
         self.assertEquals(resp.status_code, 400)
 
-    @istest
-    def content_id_optional_parts_browse(self):
+    def test_content_id_optional_parts_browse(self):
         cnt_sha1_git = stub_content_text_data['checksums']['sha1_git']
         optional_parts = ';lines=4-20;origin=https://github.com/user/repo'
         swh_id = swh_id_prefix + 'cnt:' + cnt_sha1_git + optional_parts
diff --git a/swh/web/tests/browse/views/test_origin.py b/swh/web/tests/browse/views/test_origin.py
--- a/swh/web/tests/browse/views/test_origin.py
+++ b/swh/web/tests/browse/views/test_origin.py
@@ -6,7 +6,6 @@
 # flake8: noqa
 
 from unittest.mock import patch
-from nose.tools import istest, nottest
 
 from django.utils.html import escape
 
@@ -45,8 +44,7 @@
     @patch('swh.web.browse.views.origin.get_origin_info')
     @patch('swh.web.browse.views.origin.get_origin_visits')
     @patch('swh.web.browse.views.origin.service')
-    @istest
-    def origin_visits_browse(self, mock_service, mock_get_origin_visits,
+    def test_origin_visits_browse(self, mock_service, mock_get_origin_visits,
                       mock_get_origin_info):
         mock_service.lookup_origin.return_value = origin_info_test_data
         mock_get_origin_info.return_value = origin_info_test_data
@@ -67,14 +65,13 @@
         self.assertEquals(resp.status_code, 200)
         self.assertTemplateUsed('origin-visits.html')
 
-    @nottest
-    def origin_content_view_test(self, origin_info, origin_visits,
-                                 origin_branches, origin_releases,
-                                 origin_branch,
-                                 root_dir_sha1, content_sha1, content_sha1_git,
-                                 content_path, content_data,
-                                 content_language,
-                                 visit_id=None, timestamp=None):
+    def origin_content_view_helper(self, origin_info, origin_visits,
+                                   origin_branches, origin_releases,
+                                   origin_branch,
+                                   root_dir_sha1, content_sha1, content_sha1_git,
+                                   content_path, content_data,
+                                   content_language,
+                                   visit_id=None, timestamp=None):
 
         url_args = {'origin_type': origin_info['type'],
                     'origin_url': origin_info['url'],
@@ -210,8 +207,7 @@
     @patch('swh.web.browse.views.utils.snapshot_context.service')
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.browse.views.utils.snapshot_context.request_content')
-    @istest
-    def origin_content_view(self, mock_request_content, mock_utils_service,
+    def test_origin_content_view(self, mock_request_content, mock_utils_service,
                             mock_service, mock_get_origin_visit_snapshot,
                             mock_get_origin_visits):
 
@@ -224,62 +220,61 @@
         mock_request_content.return_value = stub_content_text_data
         mock_utils_service.lookup_origin.return_value = stub_content_origin_info
 
-        self.origin_content_view_test(stub_content_origin_info,
-                                      stub_content_origin_visits,
-                                      stub_content_origin_snapshot[0],
-                                      stub_content_origin_snapshot[1],
-                                      stub_content_origin_branch,
-                                      stub_content_root_dir,
-                                      stub_content_text_sha1,
-                                      stub_content_text_sha1_git,
-                                      stub_content_text_path,
-                                      stub_content_text_data['raw_data'],
-                                      'cpp')
-
-        self.origin_content_view_test(stub_content_origin_info,
-                                      stub_content_origin_visits,
-                                      stub_content_origin_snapshot[0],
-                                      stub_content_origin_snapshot[1],
-                                      stub_content_origin_branch,
-                                      stub_content_root_dir,
-                                      stub_content_text_sha1,
-                                      stub_content_text_sha1_git,
-                                      stub_content_text_path,
-                                      stub_content_text_data['raw_data'],
-                                      'cpp',
-                                      visit_id=stub_content_origin_visit_id)
-
-        self.origin_content_view_test(stub_content_origin_info,
-                                      stub_content_origin_visits,
-                                      stub_content_origin_snapshot[0],
-                                      stub_content_origin_snapshot[1],
-                                      stub_content_origin_branch,
-                                      stub_content_root_dir,
-                                      stub_content_text_sha1,
-                                      stub_content_text_sha1_git,
-                                      stub_content_text_path,
-                                      stub_content_text_data['raw_data'],
-                                      'cpp',
-                                      timestamp=stub_content_origin_visit_unix_ts)
-
-        self.origin_content_view_test(stub_content_origin_info,
-                                      stub_content_origin_visits,
-                                      stub_content_origin_snapshot[0],
-                                      stub_content_origin_snapshot[1],
-                                      stub_content_origin_branch,
-                                      stub_content_root_dir,
-                                      stub_content_text_sha1,
-                                      stub_content_text_sha1_git,
-                                      stub_content_text_path,
-                                      stub_content_text_data['raw_data'],
-                                      'cpp',
-                                      timestamp=stub_content_origin_visit_iso_date)
-
-    @nottest
-    def origin_directory_view(self, origin_info, origin_visits,
-                              origin_branches, origin_releases, origin_branch,
-                              root_directory_sha1, directory_entries,
-                              visit_id=None, timestamp=None, path=None):
+        self.origin_content_view_helper(stub_content_origin_info,
+                                        stub_content_origin_visits,
+                                        stub_content_origin_snapshot[0],
+                                        stub_content_origin_snapshot[1],
+                                        stub_content_origin_branch,
+                                        stub_content_root_dir,
+                                        stub_content_text_sha1,
+                                        stub_content_text_sha1_git,
+                                        stub_content_text_path,
+                                        stub_content_text_data['raw_data'],
+                                        'cpp')
+
+        self.origin_content_view_helper(stub_content_origin_info,
+                                        stub_content_origin_visits,
+                                        stub_content_origin_snapshot[0],
+                                        stub_content_origin_snapshot[1],
+                                        stub_content_origin_branch,
+                                        stub_content_root_dir,
+                                        stub_content_text_sha1,
+                                        stub_content_text_sha1_git,
+                                        stub_content_text_path,
+                                        stub_content_text_data['raw_data'],
+                                        'cpp',
+                                        visit_id=stub_content_origin_visit_id)
+
+        self.origin_content_view_helper(stub_content_origin_info,
+                                        stub_content_origin_visits,
+                                        stub_content_origin_snapshot[0],
+                                        stub_content_origin_snapshot[1],
+                                        stub_content_origin_branch,
+                                        stub_content_root_dir,
+                                        stub_content_text_sha1,
+                                        stub_content_text_sha1_git,
+                                        stub_content_text_path,
+                                        stub_content_text_data['raw_data'],
+                                        'cpp',
+                                        timestamp=stub_content_origin_visit_unix_ts)
+
+        self.origin_content_view_helper(stub_content_origin_info,
+                                        stub_content_origin_visits,
+                                        stub_content_origin_snapshot[0],
+                                        stub_content_origin_snapshot[1],
+                                        stub_content_origin_branch,
+                                        stub_content_root_dir,
+                                        stub_content_text_sha1,
+                                        stub_content_text_sha1_git,
+                                        stub_content_text_path,
+                                        stub_content_text_data['raw_data'],
+                                        'cpp',
+                                        timestamp=stub_content_origin_visit_iso_date)
+
+    def origin_directory_view_helper(self, origin_info, origin_visits,
+                                     origin_branches, origin_releases, origin_branch,
+                                     root_directory_sha1, directory_entries,
+                                     visit_id=None, timestamp=None, path=None):
 
         dirs = [e for e in directory_entries
                 if e['type'] in ('dir', 'rev')]
@@ -425,8 +420,7 @@
     @patch('swh.web.browse.utils.get_origin_visit_snapshot')
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.browse.views.origin.service')
-    @istest
-    def origin_root_directory_view(self, mock_origin_service,
+    def test_origin_root_directory_view(self, mock_origin_service,
                                    mock_utils_service,
                                    mock_get_origin_visit_snapshot,
                                    mock_get_origin_visits):
@@ -437,74 +431,73 @@
             stub_origin_root_directory_entries
         mock_utils_service.lookup_origin.return_value = stub_origin_info
 
-        self.origin_directory_view(stub_origin_info, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_root_directory_entries)
-
-        self.origin_directory_view(stub_origin_info, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_root_directory_entries,
-                                   visit_id=stub_visit_id)
-
-        self.origin_directory_view(stub_origin_info, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_root_directory_entries,
-                                   timestamp=stub_visit_unix_ts)
-
-        self.origin_directory_view(stub_origin_info, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_root_directory_entries,
-                                   timestamp=stub_visit_iso_date)
-
-        self.origin_directory_view(stub_origin_info_no_type, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_root_directory_entries)
-
-        self.origin_directory_view(stub_origin_info_no_type, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_root_directory_entries,
-                                   visit_id=stub_visit_id)
-
-        self.origin_directory_view(stub_origin_info_no_type, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_root_directory_entries,
-                                   timestamp=stub_visit_unix_ts)
-
-        self.origin_directory_view(stub_origin_info_no_type, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_root_directory_entries,
-                                   timestamp=stub_visit_iso_date)
+        self.origin_directory_view_helper(stub_origin_info, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_root_directory_entries)
+
+        self.origin_directory_view_helper(stub_origin_info, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_root_directory_entries,
+                                          visit_id=stub_visit_id)
+
+        self.origin_directory_view_helper(stub_origin_info, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_root_directory_entries,
+                                          timestamp=stub_visit_unix_ts)
+
+        self.origin_directory_view_helper(stub_origin_info, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_root_directory_entries,
+                                          timestamp=stub_visit_iso_date)
+
+        self.origin_directory_view_helper(stub_origin_info_no_type, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_root_directory_entries)
+
+        self.origin_directory_view_helper(stub_origin_info_no_type, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_root_directory_entries,
+                                          visit_id=stub_visit_id)
+
+        self.origin_directory_view_helper(stub_origin_info_no_type, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_root_directory_entries,
+                                          timestamp=stub_visit_unix_ts)
+
+        self.origin_directory_view_helper(stub_origin_info_no_type, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_root_directory_entries,
+                                          timestamp=stub_visit_iso_date)
 
     @patch('swh.web.browse.utils.get_origin_visits')
     @patch('swh.web.browse.utils.get_origin_visit_snapshot')
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.browse.views.utils.snapshot_context.service')
-    @istest
-    def origin_sub_directory_view(self, mock_origin_service,
+    def test_origin_sub_directory_view(self, mock_origin_service,
                                   mock_utils_service,
                                   mock_get_origin_visit_snapshot,
                                   mock_get_origin_visits):
@@ -518,75 +511,75 @@
              'type' : 'dir'}
         mock_utils_service.lookup_origin.return_value = stub_origin_info
 
-        self.origin_directory_view(stub_origin_info, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_sub_directory_entries,
-                                   path=stub_origin_sub_directory_path)
-
-        self.origin_directory_view(stub_origin_info, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_sub_directory_entries,
-                                   visit_id=stub_visit_id,
-                                   path=stub_origin_sub_directory_path)
-
-        self.origin_directory_view(stub_origin_info, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_sub_directory_entries,
-                                   timestamp=stub_visit_unix_ts,
-                                   path=stub_origin_sub_directory_path)
-
-        self.origin_directory_view(stub_origin_info, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_sub_directory_entries,
-                                   timestamp=stub_visit_iso_date,
-                                   path=stub_origin_sub_directory_path)
-
-        self.origin_directory_view(stub_origin_info_no_type, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_sub_directory_entries,
-                                   path=stub_origin_sub_directory_path)
-
-        self.origin_directory_view(stub_origin_info_no_type, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_sub_directory_entries,
-                                   visit_id=stub_visit_id,
-                                   path=stub_origin_sub_directory_path)
-
-        self.origin_directory_view(stub_origin_info_no_type, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_sub_directory_entries,
-                                   timestamp=stub_visit_unix_ts,
-                                   path=stub_origin_sub_directory_path)
-
-        self.origin_directory_view(stub_origin_info_no_type, stub_origin_visits,
-                                   stub_origin_snapshot[0],
-                                   stub_origin_snapshot[1],
-                                   stub_origin_master_branch,
-                                   stub_origin_root_directory_sha1,
-                                   stub_origin_sub_directory_entries,
-                                   timestamp=stub_visit_iso_date,
-                                   path=stub_origin_sub_directory_path)
+        self.origin_directory_view_helper(stub_origin_info, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_sub_directory_entries,
+                                          path=stub_origin_sub_directory_path)
+
+        self.origin_directory_view_helper(stub_origin_info, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_sub_directory_entries,
+                                          visit_id=stub_visit_id,
+                                          path=stub_origin_sub_directory_path)
+
+        self.origin_directory_view_helper(stub_origin_info, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_sub_directory_entries,
+                                          timestamp=stub_visit_unix_ts,
+                                          path=stub_origin_sub_directory_path)
+
+        self.origin_directory_view_helper(stub_origin_info, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_sub_directory_entries,
+                                          timestamp=stub_visit_iso_date,
+                                          path=stub_origin_sub_directory_path)
+
+        self.origin_directory_view_helper(stub_origin_info_no_type, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_sub_directory_entries,
+                                          path=stub_origin_sub_directory_path)
+
+        self.origin_directory_view_helper(stub_origin_info_no_type, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_sub_directory_entries,
+                                          visit_id=stub_visit_id,
+                                          path=stub_origin_sub_directory_path)
+
+        self.origin_directory_view_helper(stub_origin_info_no_type, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_sub_directory_entries,
+                                          timestamp=stub_visit_unix_ts,
+                                          path=stub_origin_sub_directory_path)
+
+        self.origin_directory_view_helper(stub_origin_info_no_type, stub_origin_visits,
+                                          stub_origin_snapshot[0],
+                                          stub_origin_snapshot[1],
+                                          stub_origin_master_branch,
+                                          stub_origin_root_directory_sha1,
+                                          stub_origin_sub_directory_entries,
+                                          timestamp=stub_visit_iso_date,
+                                          path=stub_origin_sub_directory_path)
 
     @patch('swh.web.browse.views.utils.snapshot_context.request_content')
     @patch('swh.web.browse.utils.get_origin_visits')
@@ -595,8 +588,7 @@
     @patch('swh.web.browse.views.origin.service')
     @patch('swh.web.browse.views.utils.snapshot_context.service')
     @patch('swh.web.browse.views.origin.get_origin_info')
-    @istest
-    def origin_request_errors(self, mock_get_origin_info,
+    def test_origin_request_errors(self, mock_get_origin_info,
                                    mock_snapshot_service,
                                    mock_origin_service,
                                    mock_utils_service,
@@ -713,8 +705,7 @@
         self.assertContains(resp, 'Content not found', status_code=404)
 
 
-    @nottest
-    def origin_branches_test(self, origin_info, origin_snapshot):
+    def origin_branches_helper(self, origin_info, origin_snapshot):
         url_args = {'origin_type': origin_info['type'],
                     'origin_url': origin_info['url']}
 
@@ -764,8 +755,7 @@
     @patch('swh.web.browse.utils.get_origin_visit_snapshot')
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.browse.views.origin.service')
-    @istest
-    def origin_branches(self, mock_origin_service,
+    def test_origin_branches(self, mock_origin_service,
                         mock_utils_service,
                         mock_get_origin_visit_snapshot,
                         mock_get_origin_visits):
@@ -773,13 +763,12 @@
         mock_get_origin_visit_snapshot.return_value = stub_origin_snapshot
         mock_utils_service.lookup_origin.return_value = stub_origin_info
 
-        self.origin_branches_test(stub_origin_info, stub_origin_snapshot)
+        self.origin_branches_helper(stub_origin_info, stub_origin_snapshot)
 
-        self.origin_branches_test(stub_origin_info_no_type, stub_origin_snapshot)
+        self.origin_branches_helper(stub_origin_info_no_type, stub_origin_snapshot)
 
 
-    @nottest
-    def origin_releases_test(self, origin_info, origin_snapshot):
+    def origin_releases_helper(self, origin_info, origin_snapshot):
         url_args = {'origin_type': origin_info['type'],
                     'origin_url': origin_info['url']}
 
@@ -822,8 +811,7 @@
     @patch('swh.web.browse.utils.get_origin_visit_snapshot')
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.browse.views.origin.service')
-    @istest
-    def origin_releases(self, mock_origin_service,
+    def test_origin_releases(self, mock_origin_service,
                         mock_utils_service,
                         mock_get_origin_visit_snapshot,
                         mock_get_origin_visits):
@@ -831,6 +819,6 @@
         mock_get_origin_visit_snapshot.return_value = stub_origin_snapshot
         mock_utils_service.lookup_origin.return_value = stub_origin_info
 
-        self.origin_releases_test(stub_origin_info, stub_origin_snapshot)
-        self.origin_releases_test(stub_origin_info_no_type, stub_origin_snapshot)
+        self.origin_releases_helper(stub_origin_info, stub_origin_snapshot)
+        self.origin_releases_helper(stub_origin_info_no_type, stub_origin_snapshot)
 
diff --git a/swh/web/tests/browse/views/test_person.py b/swh/web/tests/browse/views/test_person.py
--- a/swh/web/tests/browse/views/test_person.py
+++ b/swh/web/tests/browse/views/test_person.py
@@ -4,7 +4,6 @@
 # See top-level LICENSE file for more information
 
 from unittest.mock import patch
-from nose.tools import istest
 
 from swh.web.common.exc import NotFoundExc
 from swh.web.common.utils import reverse
@@ -14,8 +13,7 @@
 class SwhBrowsePersonTest(SWHWebTestCase):
 
     @patch('swh.web.browse.views.person.service')
-    @istest
-    def person_browse(self, mock_service):
+    def test_person_browse(self, mock_service):
         test_person_data = \
             {
                 "email": "j.adams440@gmail.com",
@@ -43,8 +41,7 @@
                                    test_person_data['email']))
 
     @patch('swh.web.browse.views.person.service')
-    @istest
-    def person_request_error(self, mock_service):
+    def test_person_request_error(self, mock_service):
         mock_service.lookup_person.side_effect = \
             NotFoundExc('Person not found')
 
diff --git a/swh/web/tests/browse/views/test_release.py b/swh/web/tests/browse/views/test_release.py
--- a/swh/web/tests/browse/views/test_release.py
+++ b/swh/web/tests/browse/views/test_release.py
@@ -6,7 +6,6 @@
 # flake8: noqa
 
 from unittest.mock import patch
-from nose.tools import istest
 
 from swh.web.common.exc import NotFoundExc
 from swh.web.common.utils import (
@@ -26,8 +25,7 @@
     @patch('swh.web.browse.views.release.service')
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.common.utils.service')
-    @istest
-    def release_browse(self, mock_service_common, mock_service_utils,
+    def test_release_browse(self, mock_service_common, mock_service_utils,
                        mock_service):
         mock_service.lookup_release.return_value = stub_release
 
diff --git a/swh/web/tests/browse/views/test_revision.py b/swh/web/tests/browse/views/test_revision.py
--- a/swh/web/tests/browse/views/test_revision.py
+++ b/swh/web/tests/browse/views/test_revision.py
@@ -6,7 +6,6 @@
 # flake8: noqa
 
 from unittest.mock import patch
-from nose.tools import istest
 from django.utils.html import escape
 
 from swh.web.common.exc import NotFoundExc
@@ -28,8 +27,7 @@
     @patch('swh.web.browse.views.revision.service')
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.common.utils.service')
-    @istest
-    def revision_browse(self, mock_service_common, mock_service_utils,
+    def test_revision_browse(self, mock_service_common, mock_service_utils,
                         mock_service):
         mock_service.lookup_revision.return_value = revision_metadata_test
 
@@ -135,8 +133,7 @@
         self.assertContains(resp, swh_dir_id_url)
 
     @patch('swh.web.browse.views.revision.service')
-    @istest
-    def revision_log_browse(self, mock_service):
+    def test_revision_log_browse(self, mock_service):
         per_page = 10
 
         mock_service.lookup_revision_log.return_value = \
@@ -242,8 +239,7 @@
 
     @patch('swh.web.browse.utils.service')
     @patch('swh.web.browse.views.revision.service')
-    @istest
-    def revision_request_errors(self, mock_service, mock_utils_service):
+    def test_revision_request_errors(self, mock_service, mock_utils_service):
         mock_service.lookup_revision.side_effect = \
             NotFoundExc('Revision not found')
         url = reverse('browse-revision',
diff --git a/swh/web/tests/common/test_converters.py b/swh/web/tests/common/test_converters.py
--- a/swh/web/tests/common/test_converters.py
+++ b/swh/web/tests/common/test_converters.py
@@ -5,7 +5,6 @@
 
 import datetime
 
-from nose.tools import istest
 
 from swh.model import hashutil
 
@@ -15,8 +14,7 @@
 
 class ConvertersTestCase(SWHWebTestCase):
 
-    @istest
-    def fmap(self):
+    def test_fmap(self):
         self.assertEquals([2, 3, None, 4],
                           converters.fmap(lambda x: x+1, [1, 2, None, 3]))
         self.assertEquals([11, 12, 13],
@@ -31,8 +29,7 @@
 
         self.assertIsNone(converters.fmap(lambda x: x, None))
 
-    @istest
-    def from_swh(self):
+    def test_from_swh(self):
         some_input = {
             'a': 'something',
             'b': 'someone',
@@ -115,8 +112,7 @@
 
         self.assertEquals(expected_output, actual_output)
 
-    @istest
-    def from_swh_edge_cases_do_no_conversion_if_none_or_not_bytes(self):
+    def test_from_swh_edge_cases_do_no_conversion_if_none_or_not_bytes(self):
         some_input = {
             'a': 'something',
             'b': None,
@@ -140,8 +136,7 @@
 
         self.assertEquals(expected_output, actual_output)
 
-    @istest
-    def from_swh_edge_cases_convert_invalid_utf8_bytes(self):
+    def test_from_swh_edge_cases_convert_invalid_utf8_bytes(self):
         some_input = {
             'a': 'something',
             'b': 'someone',
@@ -167,18 +162,15 @@
         for v in expected_output['decoding_failures']:
             self.assertTrue(v in actual_output['decoding_failures'])
 
-    @istest
-    def from_swh_empty(self):
+    def test_from_swh_empty(self):
         # when
         self.assertEquals({}, converters.from_swh({}))
 
-    @istest
-    def from_swh_none(self):
+    def test_from_swh_none(self):
         # when
         self.assertIsNone(converters.from_swh(None))
 
-    @istest
-    def from_provenance(self):
+    def test_from_provenance(self):
         # given
         input_provenance = {
             'origin': 10,
@@ -204,8 +196,7 @@
         # then
         self.assertEqual(actual_provenance, expected_provenance)
 
-    @istest
-    def from_origin(self):
+    def test_from_origin(self):
         # given
         origin_input = {
             'id': 9,
@@ -225,8 +216,7 @@
         # then
         self.assertEqual(actual_origin, expected_origin)
 
-    @istest
-    def from_origin_visit(self):
+    def test_from_origin_visit(self):
         snap_hash = 'b5f0b7f716735ebffe38505c60145c4fd9da6ca3'
 
         for snap in [snap_hash, None]:
@@ -261,8 +251,7 @@
             # then
             self.assertEqual(actual_visit, expected_visit)
 
-    @istest
-    def from_release(self):
+    def test_from_release(self):
         release_input = {
             'id': hashutil.hash_to_bytes(
                 'aad23fa492a0c5fed0708a6703be875448c86884'),
@@ -308,8 +297,7 @@
         # then
         self.assertEqual(actual_release, expected_release)
 
-    @istest
-    def from_release_no_revision(self):
+    def test_from_release_no_revision(self):
         release_input = {
             'id': hashutil.hash_to_bytes(
                 'b2171ee2bdf119cd99a7ec7eff32fa8013ef9a4e'),
@@ -352,8 +340,7 @@
         # then
         self.assertEqual(actual_release, expected_release)
 
-    @istest
-    def from_revision(self):
+    def test_from_revision(self):
         revision_input = {
             'id': hashutil.hash_to_bytes(
                 '18d8be353ed3480476f032475e7c233eff7371d5'),
@@ -455,8 +442,7 @@
         # then
         self.assertEqual(actual_revision, expected_revision)
 
-    @istest
-    def from_revision_nomerge(self):
+    def test_from_revision_nomerge(self):
         revision_input = {
             'id': hashutil.hash_to_bytes(
                 '18d8be353ed3480476f032475e7c233eff7371d5'),
@@ -480,8 +466,7 @@
         # then
         self.assertEqual(actual_revision, expected_revision)
 
-    @istest
-    def from_revision_noparents(self):
+    def test_from_revision_noparents(self):
         revision_input = {
             'id': hashutil.hash_to_bytes(
                 '18d8be353ed3480476f032475e7c233eff7371d5'),
@@ -570,8 +555,7 @@
         # then
         self.assertEqual(actual_revision, expected_revision)
 
-    @istest
-    def from_revision_invalid(self):
+    def test_from_revision_invalid(self):
         revision_input = {
             'id': hashutil.hash_to_bytes(
                 '18d8be353ed3480476f032475e7c233eff7371d5'),
@@ -672,12 +656,10 @@
         # then
         self.assertEqual(actual_revision, expected_revision)
 
-    @istest
-    def from_content_none(self):
+    def test_from_content_none(self):
         self.assertIsNone(converters.from_content(None))
 
-    @istest
-    def from_content(self):
+    def test_from_content(self):
         content_input = {
             'sha1': hashutil.hash_to_bytes(
                 '5c6f0e2750f48fa0bd0c4cf5976ba0b9e02ebda5'),
@@ -716,8 +698,7 @@
         # then
         self.assertEqual(actual_content, expected_content)
 
-    @istest
-    def from_person(self):
+    def test_from_person(self):
         person_input = {
             'id': 10,
             'anything': 'else',
@@ -740,8 +721,7 @@
         # then
         self.assertEqual(actual_person, expected_person)
 
-    @istest
-    def from_directory_entries(self):
+    def test_from_directory_entries(self):
         dir_entries_input = {
             'sha1': hashutil.hash_to_bytes(
                 '5c6f0e2750f48fa0bd0c4cf5976ba0b9e02ebda5'),
@@ -784,8 +764,7 @@
         # then
         self.assertEqual(actual_dir_entries, expected_dir_entries)
 
-    @istest
-    def from_filetype(self):
+    def test_from_filetype(self):
         content_filetype = {
             'id': hashutil.hash_to_bytes(
                 '5c6f0e2750f48fa0bd0c4cf5976ba0b9e02ebda5'),
diff --git a/swh/web/tests/common/test_highlightjs.py b/swh/web/tests/common/test_highlightjs.py
--- a/swh/web/tests/common/test_highlightjs.py
+++ b/swh/web/tests/common/test_highlightjs.py
@@ -3,7 +3,6 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 
 from swh.web.common import highlightjs
 from swh.web.tests.testcase import SWHWebTestCase
@@ -11,8 +10,7 @@
 
 class HighlightJsTestCase(SWHWebTestCase):
 
-    @istest
-    def get_hljs_language_from_mime_type(self):
+    def test_get_hljs_language_from_mime_type(self):
 
         lang = highlightjs.get_hljs_language_from_mime_type('text/plain')
         self.assertEquals(lang, None)
@@ -50,8 +48,7 @@
         lang = highlightjs.get_hljs_language_from_mime_type('image/png')
         self.assertEquals(lang, None)
 
-    @istest
-    def get_hljs_language_from_filename(self):
+    def test_get_hljs_language_from_filename(self):
 
         lang = highlightjs.get_hljs_language_from_filename('foo')
         self.assertEquals(lang, None)
diff --git a/swh/web/tests/common/test_query.py b/swh/web/tests/common/test_query.py
--- a/swh/web/tests/common/test_query.py
+++ b/swh/web/tests/common/test_query.py
@@ -4,7 +4,6 @@
 # See top-level LICENSE file for more information
 
 from unittest.mock import patch
-from nose.tools import istest
 
 from swh.model import hashutil
 
@@ -14,70 +13,58 @@
 
 
 class QueryTestCase(SWHWebTestCase):
-    @istest
-    def parse_hash_malformed_query_with_more_than_2_parts(self):
+    def test_parse_hash_malformed_query_with_more_than_2_parts(self):
         with self.assertRaises(BadInputExc):
             query.parse_hash('sha1:1234567890987654:other-stuff')
 
-    @istest
-    def parse_hash_guess_sha1(self):
+    def test_parse_hash_guess_sha1(self):
         h = 'f1d2d2f924e986ac86fdf7b36c94bcdf32beec15'
         r = query.parse_hash(h)
         self.assertEquals(r, ('sha1', hashutil.hash_to_bytes(h)))
 
-    @istest
-    def parse_hash_guess_sha256(self):
+    def test_parse_hash_guess_sha256(self):
         h = '084C799CD551DD1D8D5C5F9A5D593B2' \
             'E931F5E36122ee5c793c1d08a19839cc0'
         r = query.parse_hash(h)
         self.assertEquals(r, ('sha256', hashutil.hash_to_bytes(h)))
 
-    @istest
-    def parse_hash_guess_algo_malformed_hash(self):
+    def test_parse_hash_guess_algo_malformed_hash(self):
         with self.assertRaises(BadInputExc):
             query.parse_hash('1234567890987654')
 
-    @istest
-    def parse_hash_check_sha1(self):
+    def test_parse_hash_check_sha1(self):
         h = 'f1d2d2f924e986ac86fdf7b36c94bcdf32beec15'
         r = query.parse_hash('sha1:' + h)
         self.assertEquals(r, ('sha1', hashutil.hash_to_bytes(h)))
 
-    @istest
-    def parse_hash_check_sha1_git(self):
+    def test_parse_hash_check_sha1_git(self):
         h = 'e1d2d2f924e986ac86fdf7b36c94bcdf32beec15'
         r = query.parse_hash('sha1_git:' + h)
         self.assertEquals(r, ('sha1_git', hashutil.hash_to_bytes(h)))
 
-    @istest
-    def parse_hash_check_sha256(self):
+    def test_parse_hash_check_sha256(self):
         h = '084C799CD551DD1D8D5C5F9A5D593B2E931F5E36122ee5c793c1d08a19839cc0'
         r = query.parse_hash('sha256:' + h)
         self.assertEquals(r, ('sha256', hashutil.hash_to_bytes(h)))
 
-    @istest
-    def parse_hash_check_algo_malformed_sha1_hash(self):
+    def test_parse_hash_check_algo_malformed_sha1_hash(self):
         with self.assertRaises(BadInputExc):
             query.parse_hash('sha1:1234567890987654')
 
-    @istest
-    def parse_hash_check_algo_malformed_sha1_git_hash(self):
+    def test_parse_hash_check_algo_malformed_sha1_git_hash(self):
         with self.assertRaises(BadInputExc):
             query.parse_hash('sha1_git:1234567890987654')
 
-    @istest
-    def parse_hash_check_algo_malformed_sha256_hash(self):
+    def test_parse_hash_check_algo_malformed_sha256_hash(self):
         with self.assertRaises(BadInputExc):
             query.parse_hash('sha256:1234567890987654')
 
-    @istest
-    def parse_hash_check_algo_unknown_one(self):
+    def test_parse_hash_check_algo_unknown_one(self):
         with self.assertRaises(BadInputExc):
             query.parse_hash('sha2:1234567890987654')
 
     @patch('swh.web.common.query.parse_hash')
-    @istest
-    def parse_hash_with_algorithms_or_throws_bad_query(self, mock_hash):
+    def test_parse_hash_with_algorithms_or_throws_bad_query(self, mock_hash):
         # given
         mock_hash.side_effect = BadInputExc('Error input')
 
@@ -92,8 +79,7 @@
         mock_hash.assert_called_once_with('sha1:blah')
 
     @patch('swh.web.common.query.parse_hash')
-    @istest
-    def parse_hash_with_algorithms_or_throws_bad_algo(self, mock_hash):
+    def test_parse_hash_with_algorithms_or_throws_bad_algo(self, mock_hash):
         # given
         mock_hash.return_value = 'sha1', '123'
 
@@ -108,8 +94,7 @@
         mock_hash.assert_called_once_with('sha1:431')
 
     @patch('swh.web.common.query.parse_hash')
-    @istest
-    def parse_hash_with_algorithms(self, mock_hash):
+    def test_parse_hash_with_algorithms(self, mock_hash):
         # given
         mock_hash.return_value = ('sha256', b'123')
 
@@ -124,16 +109,14 @@
 
         mock_hash.assert_called_once_with('sha256:123')
 
-    @istest
-    def parse_uuid4(self):
+    def test_parse_uuid4(self):
         # when
         actual_uuid = query.parse_uuid4('7c33636b-8f11-4bda-89d9-ba8b76a42cec')
 
         # then
         self.assertEquals(actual_uuid, '7c33636b-8f11-4bda-89d9-ba8b76a42cec')
 
-    @istest
-    def parse_uuid4_ko(self):
+    def test_parse_uuid4_ko(self):
         # when
         with self.assertRaises(BadInputExc) as cm:
             query.parse_uuid4('7c33636b-8f11-4bda-89d9-ba8b76a42')
diff --git a/swh/web/tests/common/test_service.py b/swh/web/tests/common/test_service.py
--- a/swh/web/tests/common/test_service.py
+++ b/swh/web/tests/common/test_service.py
@@ -5,7 +5,6 @@
 
 import datetime
 
-from nose.tools import istest
 from unittest.mock import MagicMock, patch, call
 
 from swh.model.hashutil import hash_to_bytes, hash_to_hex
@@ -116,8 +115,7 @@
         }
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_multiple_hashes_ball_missing(self, mock_storage):
+    def test_lookup_multiple_hashes_ball_missing(self, mock_storage):
         # given
         mock_storage.content_missing_per_sha1 = MagicMock(return_value=[])
 
@@ -139,8 +137,7 @@
         ])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_multiple_hashes_some_missing(self, mock_storage):
+    def test_lookup_multiple_hashes_some_missing(self, mock_storage):
         # given
         mock_storage.content_missing_per_sha1 = MagicMock(return_value=[
             hash_to_bytes('456caf10e9535160d90e874b45aa426de762f19f')
@@ -164,8 +161,7 @@
         ])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_hash_does_not_exist(self, mock_storage):
+    def test_lookup_hash_does_not_exist(self, mock_storage):
         # given
         mock_storage.content_find = MagicMock(return_value=None)
 
@@ -183,8 +179,7 @@
              hash_to_bytes('123caf10e9535160d90e874b45aa426de762f19f')})
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_hash_exist(self, mock_storage):
+    def test_lookup_hash_exist(self, mock_storage):
         # given
         stub_content = {
                 'sha1': hash_to_bytes(
@@ -206,8 +201,7 @@
         )
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def search_hash_does_not_exist(self, mock_storage):
+    def test_search_hash_does_not_exist(self, mock_storage):
         # given
         mock_storage.content_find = MagicMock(return_value=None)
 
@@ -224,8 +218,7 @@
              hash_to_bytes('123caf10e9535160d90e874b45aa426de762f19f')})
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def search_hash_exist(self, mock_storage):
+    def test_search_hash_exist(self, mock_storage):
         # given
         stub_content = {
                 'sha1': hash_to_bytes(
@@ -246,8 +239,7 @@
         )
 
     @patch('swh.web.common.service.idx_storage')
-    @istest
-    def lookup_content_ctags(self, mock_idx_storage):
+    def test_lookup_content_ctags(self, mock_idx_storage):
         # given
         mock_idx_storage.content_ctags_get = MagicMock(
             return_value=[{
@@ -279,8 +271,7 @@
             [hash_to_bytes('123caf10e9535160d90e874b45aa426de762f19f')])
 
     @patch('swh.web.common.service.idx_storage')
-    @istest
-    def lookup_content_ctags_no_hash(self, mock_idx_storage):
+    def test_lookup_content_ctags_no_hash(self, mock_idx_storage):
         # given
         mock_idx_storage.content_ctags_get = MagicMock(return_value=[])
 
@@ -292,8 +283,7 @@
         self.assertEqual(actual_ctags, [])
 
     @patch('swh.web.common.service.idx_storage')
-    @istest
-    def lookup_content_filetype(self, mock_idx_storage):
+    def test_lookup_content_filetype(self, mock_idx_storage):
         # given
         mock_idx_storage.content_mimetype_get = MagicMock(
             return_value=[{
@@ -320,8 +310,7 @@
 
     @patch('swh.web.common.service.idx_storage')
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_content_filetype_2(self, mock_storage, mock_idx_storage):
+    def test_lookup_content_filetype_2(self, mock_storage, mock_idx_storage):
         # given
         mock_storage.content_find = MagicMock(
             return_value={
@@ -358,8 +347,7 @@
             [hash_to_bytes('123caf10e9535160d90e874b45aa426de762f19f')])
 
     @patch('swh.web.common.service.idx_storage')
-    @istest
-    def lookup_content_language(self, mock_idx_storage):
+    def test_lookup_content_language(self, mock_idx_storage):
         # given
         mock_idx_storage.content_language_get = MagicMock(
             return_value=[{
@@ -384,8 +372,7 @@
 
     @patch('swh.web.common.service.idx_storage')
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_content_language_2(self, mock_storage, mock_idx_storage):
+    def test_lookup_content_language_2(self, mock_storage, mock_idx_storage):
         # given
         mock_storage.content_find = MagicMock(
             return_value={
@@ -420,8 +407,7 @@
             [hash_to_bytes('123caf10e9535160d90e874b45aa426de762f19f')])
 
     @patch('swh.web.common.service.idx_storage')
-    @istest
-    def lookup_expression(self, mock_idx_storage):
+    def test_lookup_expression(self, mock_idx_storage):
         # given
         mock_idx_storage.content_ctags_search = MagicMock(
             return_value=[{
@@ -451,8 +437,7 @@
             'foobar', last_sha1='hash', limit=10)
 
     @patch('swh.web.common.service.idx_storage')
-    @istest
-    def lookup_expression_no_result(self, mock_idx_storage):
+    def test_lookup_expression_no_result(self, mock_idx_storage):
         # given
         mock_idx_storage.content_ctags_search = MagicMock(
             return_value=[])
@@ -469,8 +454,7 @@
             'barfoo', last_sha1='hash', limit=10)
 
     @patch('swh.web.common.service.idx_storage')
-    @istest
-    def lookup_content_license(self, mock_idx_storage):
+    def test_lookup_content_license(self, mock_idx_storage):
         # given
         mock_idx_storage.content_fossology_license_get = MagicMock(
             return_value=[{
@@ -499,8 +483,7 @@
 
     @patch('swh.web.common.service.idx_storage')
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_content_license_2(self, mock_storage, mock_idx_storage):
+    def test_lookup_content_license_2(self, mock_storage, mock_idx_storage):
         # given
         mock_storage.content_find = MagicMock(
             return_value={
@@ -540,8 +523,7 @@
             [hash_to_bytes('123caf10e9535160d90e874b45aa426de762f19f')])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_content_provenance(self, mock_storage):
+    def test_lookup_content_provenance(self, mock_storage):
         # given
         mock_storage.content_find_provenance = MagicMock(
             return_value=(p for p in [{
@@ -573,8 +555,7 @@
              hash_to_bytes('123caf10e9535160d90e874b45aa426de762f19f')})
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_content_provenance_not_found(self, mock_storage):
+    def test_lookup_content_provenance_not_found(self, mock_storage):
         # given
         mock_storage.content_find_provenance = MagicMock(return_value=None)
 
@@ -590,8 +571,7 @@
              hash_to_bytes('456caf10e9535160d90e874b45aa426de762f19f')})
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def stat_counters(self, mock_storage):
+    def test_stat_counters(self, mock_storage):
         # given
         input_stats = {
             "content": 1770830,
@@ -620,8 +600,7 @@
         mock_storage.stat_counters.assert_called_with()
 
     @patch('swh.web.common.service._lookup_origin_visits')
-    @istest
-    def lookup_origin_visits(self, mock_lookup_visits):
+    def test_lookup_origin_visits(self, mock_lookup_visits):
         # given
         date_origin_visit2 = datetime.datetime(
             2013, 7, 1, 20, 0, 0,
@@ -674,8 +653,7 @@
             6, last_visit=None, limit=10)
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_origin_visit(self, mock_storage):
+    def test_lookup_origin_visit(self, mock_storage):
         # given
         stub_result = self.origin_visit1
         mock_storage.origin_visit_get_by.return_value = stub_result
@@ -695,8 +673,7 @@
         mock_storage.origin_visit_get_by.assert_called_once_with(1, 1)
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_origin(self, mock_storage):
+    def test_lookup_origin(self, mock_storage):
         # given
         mock_storage.origin_get = MagicMock(return_value={
             'id': 'origin-id',
@@ -714,9 +691,7 @@
         mock_storage.origin_get.assert_called_with({'id': 'origin-id'})
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_release_ko_id_checksum_not_ok_because_not_a_sha1(self,
-                                                                mock_storage):
+    def test_lookup_release_ko_id_checksum_not_a_sha1(self, mock_storage):
         # given
         mock_storage.release_get = MagicMock()
 
@@ -728,8 +703,7 @@
         mock_storage.release_get.called = False
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_release_ko_id_checksum_ok_but_not_a_sha1(self, mock_storage):
+    def test_lookup_release_ko_id_checksum_too_long(self, mock_storage):
         # given
         mock_storage.release_get = MagicMock()
 
@@ -743,8 +717,7 @@
         mock_storage.release_get.called = False
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_directory_with_path_not_found(self, mock_storage):
+    def test_lookup_directory_with_path_not_found(self, mock_storage):
         # given
         mock_storage.lookup_directory_with_path = MagicMock(return_value=None)
 
@@ -757,8 +730,7 @@
         self.assertIsNone(actual_directory)
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_directory_with_path_found(self, mock_storage):
+    def test_lookup_directory_with_path_found(self, mock_storage):
         # given
         sha1_git = '65a55bbdf3629f916219feb3dcc7393ded1bc8db'
         entry = {'id': 'dir-id',
@@ -774,8 +746,7 @@
         self.assertEqual(entry, actual_directory)
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_release(self, mock_storage):
+    def test_lookup_release(self, mock_storage):
         # given
         mock_storage.release_get = MagicMock(return_value=[{
             'id': hash_to_bytes('65a55bbdf3629f916219feb3dcc7393ded1bc8db'),
@@ -809,8 +780,7 @@
         mock_storage.release_get.assert_called_with(
             [hash_to_bytes('65a55bbdf3629f916219feb3dcc7393ded1bc8db')])
 
-    @istest
-    def lookup_revision_with_context_ko_not_a_sha1_1(self):
+    def test_lookup_revision_with_context_ko_not_a_sha1_1(self):
         # given
         sha1_git = '13c1d34d138ec13b5ebad226dc2528dc7506c956e4646f62d4' \
                    'daf51aea892abe'
@@ -821,8 +791,7 @@
             service.lookup_revision_with_context(sha1_git_root, sha1_git)
         self.assertIn('Only sha1_git is supported', cm.exception.args[0])
 
-    @istest
-    def lookup_revision_with_context_ko_not_a_sha1_2(self):
+    def test_lookup_revision_with_context_ko_not_a_sha1_2(self):
         # given
         sha1_git_root = '65a55bbdf3629f916219feb3dcc7393ded1bc8db'
         sha1_git = '13c1d34d138ec13b5ebad226dc2528dc7506c956e4646f6' \
@@ -834,8 +803,7 @@
         self.assertIn('Only sha1_git is supported', cm.exception.args[0])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_with_context_ko_sha1_git_does_not_exist(
+    def test_lookup_revision_with_context_ko_sha1_git_does_not_exist(
             self,
             mock_storage):
         # given
@@ -856,8 +824,7 @@
             [sha1_git_bin])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_with_context_ko_root_sha1_git_does_not_exist(
+    def test_lookup_revision_with_context_ko_root_sha1_git_does_not_exist(
             self,
             mock_storage):
         # given
@@ -880,8 +847,7 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_revision_with_context(self, mock_query, mock_storage):
+    def test_lookup_revision_with_context(self, mock_query, mock_storage):
         # given
         sha1_git_root = '666'
         sha1_git = '883'
@@ -959,8 +925,7 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_revision_with_context_sha1_git_root_already_retrieved_as_dict(
+    def test_lookup_revision_with_context_retrieved_as_dict(
             self, mock_query, mock_storage):
         # given
         sha1_git = '883'
@@ -1033,10 +998,9 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_directory_with_revision_ko_revision_not_found(self,
-                                                             mock_query,
-                                                             mock_storage):
+    def test_lookup_directory_with_revision_not_found(self,
+                                                      mock_query,
+                                                      mock_storage):
         # given
         mock_query.parse_hash_with_algorithms_or_throws.return_value = ('sha1',
                                                                         b'123')
@@ -1053,8 +1017,7 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_directory_with_revision_ko_revision_with_path_to_nowhere(
+    def test_lookup_directory_with_revision_ko_revision_with_path_to_nowhere(
             self,
             mock_query,
             mock_storage):
@@ -1088,8 +1051,7 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_directory_with_revision_ko_type_not_implemented(
+    def test_lookup_directory_with_revision_ko_type_not_implemented(
             self,
             mock_query,
             mock_storage):
@@ -1133,10 +1095,9 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_directory_with_revision_revision_without_path(self,
-                                                             mock_query,
-                                                             mock_storage):
+    def test_lookup_directory_with_revision_revision_without_path(
+        self, mock_query, mock_storage,
+    ):
         # given
         mock_query.parse_hash_with_algorithms_or_throws.return_value = ('sha1',
                                                                         b'123')
@@ -1171,10 +1132,9 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_directory_with_revision_revision_with_path_to_dir(self,
-                                                                 mock_query,
-                                                                 mock_storage):
+    def test_lookup_directory_with_revision_with_path_to_dir(self,
+                                                             mock_query,
+                                                             mock_storage):
         # given
         mock_query.parse_hash_with_algorithms_or_throws.return_value = ('sha1',
                                                                         b'123')
@@ -1220,8 +1180,7 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_directory_with_revision_revision_with_path_to_file_without_data(
+    def test_lookup_directory_with_revision_with_path_to_file_wo_data(
             self,
             mock_query,
             mock_storage):
@@ -1267,8 +1226,7 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_directory_with_revision_revision_with_path_to_file_with_data(
+    def test_lookup_directory_with_revision_with_path_to_file_w_data(
             self,
             mock_query,
             mock_storage):
@@ -1328,8 +1286,7 @@
         mock_storage.content_get.assert_called_once_with([b'content-sha1'])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision(self, mock_storage):
+    def test_lookup_revision(self, mock_storage):
         # given
         mock_storage.revision_get = MagicMock(
             return_value=[self.SAMPLE_REVISION_RAW])
@@ -1345,8 +1302,7 @@
             [self.SHA1_SAMPLE_BIN])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_invalid_msg(self, mock_storage):
+    def test_lookup_revision_invalid_msg(self, mock_storage):
         # given
         stub_rev = self.SAMPLE_REVISION_RAW
         stub_rev['message'] = b'elegant fix for bug \xff'
@@ -1367,8 +1323,7 @@
             [self.SHA1_SAMPLE_BIN])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_msg_ok(self, mock_storage):
+    def test_lookup_revision_msg_ok(self, mock_storage):
         # given
         mock_storage.revision_get.return_value = [self.SAMPLE_REVISION_RAW]
 
@@ -1382,8 +1337,7 @@
             [self.SHA1_SAMPLE_BIN])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_msg_absent(self, mock_storage):
+    def test_lookup_revision_msg_absent(self, mock_storage):
         # given
         stub_revision = self.SAMPLE_REVISION_RAW
         del stub_revision['message']
@@ -1403,8 +1357,7 @@
         )
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_msg_norev(self, mock_storage):
+    def test_lookup_revision_msg_norev(self, mock_storage):
         # given
         mock_storage.revision_get.return_value = None
 
@@ -1422,8 +1375,7 @@
         )
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_multiple(self, mock_storage):
+    def test_lookup_revision_multiple(self, mock_storage):
         # given
         sha1 = self.SHA1_SAMPLE
         sha1_other = 'adc83b19e793491b1c6ea0fd8b46cd9f32e592fc'
@@ -1504,8 +1456,7 @@
              hash_to_bytes(sha1_other)])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_multiple_none_found(self, mock_storage):
+    def test_lookup_revision_multiple_none_found(self, mock_storage):
         # given
         sha1_bin = self.SHA1_SAMPLE
         sha1_other = 'adc83b19e793491b1c6ea0fd8b46cd9f32e592fc'
@@ -1524,8 +1475,7 @@
              hash_to_bytes(sha1_other)])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_log(self, mock_storage):
+    def test_lookup_revision_log(self, mock_storage):
         # given
         stub_revision_log = [self.SAMPLE_REVISION_RAW]
         mock_storage.revision_log = MagicMock(return_value=stub_revision_log)
@@ -1542,8 +1492,7 @@
             [hash_to_bytes('abcdbe353ed3480476f032475e7c233eff7371d5')], 25)
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_log_by(self, mock_storage):
+    def test_lookup_revision_log_by(self, mock_storage):
         # given
         stub_revision_log = [self.SAMPLE_REVISION_RAW]
         mock_storage.revision_log_by = MagicMock(
@@ -1559,8 +1508,7 @@
             1, 'refs/heads/master', None, limit=100)
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_log_by_nolog(self, mock_storage):
+    def test_lookup_revision_log_by_nolog(self, mock_storage):
         # given
         mock_storage.revision_log_by = MagicMock(return_value=None)
 
@@ -1573,8 +1521,7 @@
             1, 'refs/heads/master', None, limit=100)
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_content_raw_not_found(self, mock_storage):
+    def test_lookup_content_raw_not_found(self, mock_storage):
         # given
         mock_storage.content_find = MagicMock(return_value=None)
 
@@ -1589,8 +1536,7 @@
             {'sha1': hash_to_bytes(self.SHA1_SAMPLE)})
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_content_raw(self, mock_storage):
+    def test_lookup_content_raw(self, mock_storage):
         # given
         mock_storage.content_find = MagicMock(return_value={
             'sha1': self.SHA1_SAMPLE,
@@ -1611,8 +1557,7 @@
             [self.SHA1_SAMPLE])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_content_not_found(self, mock_storage):
+    def test_lookup_content_not_found(self, mock_storage):
         # given
         mock_storage.content_find = MagicMock(return_value=None)
 
@@ -1628,8 +1573,7 @@
             {'sha1': self.SHA1_SAMPLE_BIN})
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_content_with_sha1(self, mock_storage):
+    def test_lookup_content_with_sha1(self, mock_storage):
         # given
         mock_storage.content_find = MagicMock(
             return_value=self.SAMPLE_CONTENT_RAW)
@@ -1645,8 +1589,7 @@
             {'sha1': hash_to_bytes(self.SHA1_SAMPLE)})
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_content_with_sha256(self, mock_storage):
+    def test_lookup_content_with_sha256(self, mock_storage):
         # given
         stub_content = self.SAMPLE_CONTENT_RAW
         stub_content['status'] = 'visible'
@@ -1667,8 +1610,7 @@
             {'sha256': self.SHA256_SAMPLE_BIN})
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_person(self, mock_storage):
+    def test_lookup_person(self, mock_storage):
         # given
         mock_storage.person_get = MagicMock(return_value=[{
             'id': 'person_id',
@@ -1689,8 +1631,7 @@
         mock_storage.person_get.assert_called_with(['person_id'])
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_directory_bad_checksum(self, mock_storage):
+    def test_lookup_directory_bad_checksum(self, mock_storage):
         # given
         mock_storage.directory_ls = MagicMock()
 
@@ -1703,8 +1644,7 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_directory_not_found(self, mock_query, mock_storage):
+    def test_lookup_directory_not_found(self, mock_query, mock_storage):
         # given
         mock_query.parse_hash_with_algorithms_or_throws.return_value = (
             'sha1',
@@ -1725,8 +1665,7 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_directory(self, mock_query, mock_storage):
+    def test_lookup_directory(self, mock_query, mock_storage):
         mock_query.parse_hash_with_algorithms_or_throws.return_value = (
             'sha1',
             'directory-sha1-bin')
@@ -1772,8 +1711,7 @@
             'directory-sha1-bin')
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_directory_empty(self, mock_storage):
+    def test_lookup_directory_empty(self, mock_storage):
         empty_dir_sha1 = '4b825dc642cb6eb9a060e54bf8d69288fbee4904'
         mock_storage.directory_ls.return_value = []
 
@@ -1786,8 +1724,7 @@
         self.assertFalse(mock_storage.directory_ls.called)
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_by_nothing_found(self, mock_storage):
+    def test_lookup_revision_by_nothing_found(self, mock_storage):
         # given
         mock_storage.revision_get_by.return_value = None
 
@@ -1801,8 +1738,7 @@
                                                             timestamp=None)
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_by(self, mock_storage):
+    def test_lookup_revision_by(self, mock_storage):
         # given
         stub_rev = self.SAMPLE_REVISION_RAW
 
@@ -1821,8 +1757,7 @@
                                                         timestamp='some-ts')
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_by_nomerge(self, mock_storage):
+    def test_lookup_revision_by_nomerge(self, mock_storage):
         # given
         stub_rev = self.SAMPLE_REVISION_RAW
         stub_rev['parents'] = [
@@ -1843,8 +1778,7 @@
                                                         timestamp='some-ts')
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_by_merge(self, mock_storage):
+    def test_lookup_revision_by_merge(self, mock_storage):
         # given
         stub_rev = self.SAMPLE_REVISION_RAW
         stub_rev['parents'] = [
@@ -1872,8 +1806,7 @@
                                                         timestamp='some-ts')
 
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_with_context_by_ko(self, mock_storage):
+    def test_lookup_revision_with_context_by_ko(self, mock_storage):
         # given
         mock_storage.revision_get_by.return_value = None
 
@@ -1896,9 +1829,9 @@
 
     @patch('swh.web.common.service.lookup_revision_with_context')
     @patch('swh.web.common.service.storage')
-    @istest
-    def lookup_revision_with_context_by(self, mock_storage,
-                                        mock_lookup_revision_with_context):
+    def test_lookup_revision_with_context_by(
+            self, mock_storage, mock_lookup_revision_with_context,
+    ):
         # given
         stub_root_rev = {'id': 'root-rev-id'}
         mock_storage.revision_get_by.return_value = [{'id': 'root-rev-id'}]
@@ -1924,8 +1857,7 @@
 
     @patch('swh.web.common.service.storage')
     @patch('swh.web.common.service.query')
-    @istest
-    def lookup_entity_by_uuid(self, mock_query, mock_storage):
+    def test_lookup_entity_by_uuid(self, mock_query, mock_storage):
         # given
         uuid_test = 'correct-uuid'
         mock_query.parse_uuid4.return_value = uuid_test
@@ -1942,8 +1874,7 @@
         mock_query.parse_uuid4.assert_called_once_with(uuid_test)
         mock_storage.entity_get.assert_called_once_with(uuid_test)
 
-    @istest
-    def lookup_revision_through_ko_not_implemented(self):
+    def test_lookup_revision_through_ko_not_implemented(self):
         # then
         with self.assertRaises(NotImplementedError):
             service.lookup_revision_through({
@@ -1951,8 +1882,7 @@
             })
 
     @patch('swh.web.common.service.lookup_revision_with_context_by')
-    @istest
-    def lookup_revision_through_with_context_by(self, mock_lookup):
+    def test_lookup_revision_through_with_context_by(self, mock_lookup):
         # given
         stub_rev = {'id': 'rev'}
         mock_lookup.return_value = stub_rev
@@ -1972,8 +1902,7 @@
             1, 'master', None, 'sha1-git', 1000)
 
     @patch('swh.web.common.service.lookup_revision_by')
-    @istest
-    def lookup_revision_through_with_revision_by(self, mock_lookup):
+    def test_lookup_revision_through_with_revision_by(self, mock_lookup):
         # given
         stub_rev = {'id': 'rev'}
         mock_lookup.return_value = stub_rev
@@ -1992,8 +1921,7 @@
             2, 'master2', 'some-ts')
 
     @patch('swh.web.common.service.lookup_revision_with_context')
-    @istest
-    def lookup_revision_through_with_context(self, mock_lookup):
+    def test_lookup_revision_through_with_context(self, mock_lookup):
         # given
         stub_rev = {'id': 'rev'}
         mock_lookup.return_value = stub_rev
@@ -2011,8 +1939,7 @@
             'some-sha1-root', 'some-sha1', 100)
 
     @patch('swh.web.common.service.lookup_revision')
-    @istest
-    def lookup_revision_through_with_revision(self, mock_lookup):
+    def test_lookup_revision_through_with_revision(self, mock_lookup):
         # given
         stub_rev = {'id': 'rev'}
         mock_lookup.return_value = stub_rev
@@ -2029,8 +1956,7 @@
             'some-sha1')
 
     @patch('swh.web.common.service.lookup_revision_through')
-    @istest
-    def lookup_directory_through_revision_ko_not_found(
+    def test_lookup_directory_through_revision_ko_not_found(
             self, mock_lookup_rev):
         # given
         mock_lookup_rev.return_value = None
@@ -2044,8 +1970,7 @@
 
     @patch('swh.web.common.service.lookup_revision_through')
     @patch('swh.web.common.service.lookup_directory_with_revision')
-    @istest
-    def lookup_directory_through_revision_ok_with_data(
+    def test_lookup_directory_through_revision_ok_with_data(
             self, mock_lookup_dir, mock_lookup_rev):
         # given
         mock_lookup_rev.return_value = {'id': 'rev-id'}
@@ -2065,8 +1990,7 @@
 
     @patch('swh.web.common.service.lookup_revision_through')
     @patch('swh.web.common.service.lookup_directory_with_revision')
-    @istest
-    def lookup_directory_through_revision_ok_with_content(
+    def test_lookup_directory_through_revision_ok_with_content(
             self, mock_lookup_dir, mock_lookup_rev):
         # given
         mock_lookup_rev.return_value = {'id': 'rev-id'}
diff --git a/swh/web/tests/common/test_templatetags.py b/swh/web/tests/common/test_templatetags.py
--- a/swh/web/tests/common/test_templatetags.py
+++ b/swh/web/tests/common/test_templatetags.py
@@ -3,15 +3,13 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from nose.tools import istest
 
 from swh.web.common import swh_templatetags
 from swh.web.tests.testcase import SWHWebTestCase
 
 
 class SWHTemplateTagsTest(SWHWebTestCase):
-    @istest
-    def urlize_api_links_api(self):
+    def test_urlize_api_links_api(self):
         # update api link with html links content with links
         content = '{"url": "/api/1/abc/"}'
         expected_content = ('{"url": "<a href="/api/1/abc/">/api/1/abc/</a>"}')
@@ -19,8 +17,7 @@
         self.assertEquals(swh_templatetags.urlize_links_and_mails(content),
                           expected_content)
 
-    @istest
-    def urlize_api_links_browse(self):
+    def test_urlize_api_links_browse(self):
         # update /browse link with html links content with links
         content = '{"url": "/browse/def/"}'
         expected_content = ('{"url": "<a href="/browse/def/">'
@@ -28,8 +25,7 @@
         self.assertEquals(swh_templatetags.urlize_links_and_mails(content),
                           expected_content)
 
-    @istest
-    def urlize_header_links(self):
+    def test_urlize_header_links(self):
         # update api link with html links content with links
         content = """</api/1/abc/>; rel="next"
 </api/1/def/>; rel="prev"
@@ -41,8 +37,7 @@
         self.assertEquals(swh_templatetags.urlize_header_links(content),
                           expected_content)
 
-    @istest
-    def safe_docstring_display(self):
+    def test_safe_docstring_display(self):
         # update api link with html links content with links
         docstring = """This is my list header:
 
diff --git a/swh/web/tests/common/test_throttling.py b/swh/web/tests/common/test_throttling.py
--- a/swh/web/tests/common/test_throttling.py
+++ b/swh/web/tests/common/test_throttling.py
@@ -18,7 +18,6 @@
 from rest_framework.test import APIRequestFactory
 from rest_framework.decorators import api_view
 
-from nose.tools import istest, nottest
 
 from swh.web.common.throttling import (
     SwhWebRateThrottle, throttle_scope
@@ -83,7 +82,6 @@
         cache.clear()
         self.factory = APIRequestFactory()
 
-    @nottest
     def check_response(self, response, status_code,
                        limit=None, remaining=None):
         assert response.status_code == status_code
@@ -96,8 +94,7 @@
         else:
             assert 'X-RateLimit-Remaining' not in response
 
-    @istest
-    def scope1_requests_are_throttled(self):
+    def test_scope1_requests_are_throttled(self):
         """
         Ensure request rate is limited in scope1
         """
@@ -117,8 +114,7 @@
         response = self.client.post('/scope1_class')
         self.check_response(response, 429, scope1_limiter_rate_post, 0)
 
-    @istest
-    def scope2_requests_are_throttled(self):
+    def test_scope2_requests_are_throttled(self):
         """
         Ensure request rate is limited in scope2
         """
@@ -138,8 +134,7 @@
         response = self.client.post('/scope2_func')
         self.check_response(response, 429, scope2_limiter_rate_post, 0)
 
-    @istest
-    def scope3_requests_are_throttled_exempted(self):
+    def test_scope3_requests_are_throttled_exempted(self):
         """
         Ensure request rate is not limited in scope3 as
         requests coming from localhost are exempted from rate limit.
diff --git a/swh/web/tests/common/test_utils.py b/swh/web/tests/common/test_utils.py
--- a/swh/web/tests/common/test_utils.py
+++ b/swh/web/tests/common/test_utils.py
@@ -5,7 +5,6 @@
 
 import datetime
 
-from nose.tools import istest
 from unittest.mock import patch
 
 from swh.web.common import utils
@@ -14,8 +13,7 @@
 
 
 class UtilsTestCase(SWHWebTestCase):
-    @istest
-    def shorten_path_noop(self):
+    def test_shorten_path_noop(self):
         noops = [
             '/api/',
             '/browse/',
@@ -28,8 +26,7 @@
                 noop
             )
 
-    @istest
-    def shorten_path_sha1(self):
+    def test_shorten_path_sha1(self):
         sha1 = 'aafb16d69fd30ff58afdd69036a26047f3aebdc6'
         short_sha1 = sha1[:8] + '...'
 
@@ -46,8 +43,7 @@
                 template % short_sha1
             )
 
-    @istest
-    def shorten_path_sha256(self):
+    def test_shorten_path_sha256(self):
         sha256 = ('aafb16d69fd30ff58afdd69036a26047'
                   '213add102934013a014dfca031c41aef')
         short_sha256 = sha256[:8] + '...'
@@ -64,8 +60,7 @@
                 template % short_sha256
             )
 
-    @istest
-    def parse_timestamp(self):
+    def test_parse_timestamp(self):
         input_timestamps = [
             None,
             '2016-01-12',
@@ -87,13 +82,11 @@
         for ts, exp_date in zip(input_timestamps, output_dates):
             self.assertEquals(utils.parse_timestamp(ts), exp_date)
 
-    @istest
-    def format_utc_iso_date(self):
+    def test_format_utc_iso_date(self):
         self.assertEqual(utils.format_utc_iso_date('2017-05-04T13:27:13+02:00'), # noqa
                          '04 May 2017, 11:27 UTC')
 
-    @istest
-    def gen_path_info(self):
+    def test_gen_path_info(self):
         input_path = '/home/user/swh-environment/swh-web/'
         expected_result = [
             {'name': 'home', 'path': 'home'},
@@ -109,8 +102,7 @@
         self.assertEquals(path_info, expected_result)
 
     @patch('swh.web.common.utils.service')
-    @istest
-    def get_origin_visits(self, mock_service):
+    def test_get_origin_visits(self, mock_service):
         mock_service.MAX_LIMIT = 2
 
         def _lookup_origin_visits(*args, **kwargs):
@@ -140,8 +132,7 @@
 
         self.assertEqual(len(origin_visits), 3)
 
-    @istest
-    def get_swh_persisent_id(self):
+    def test_get_swh_persisent_id(self):
         swh_object_type = 'content'
         sha1_git = 'aafb16d69fd30ff58afdd69036a26047f3aebdc6'