diff --git a/swh/web/ui/tests/test_controller.py b/swh/web/ui/tests/test_controller.py
index 3a37e45b..800bf5e9 100644
--- a/swh/web/ui/tests/test_controller.py
+++ b/swh/web/ui/tests/test_controller.py
@@ -1,61 +1,61 @@
 # Copyright (C) 2015  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 import unittest
 
 from nose.tools import istest
 
 from swh.web.ui import controller
 
 
 class ApiTestCase(unittest.TestCase):
 
     @classmethod
-    def setUpClass(self):
+    def setUpClass(cls):
         conf = {'api_backend': 'https://somewhere.org:4321'}
 
         controller.app.config['TESTING'] = True
         controller.app.config.update({'conf': conf})
-        self.app = controller.app.test_client()
+        cls.app = controller.app.test_client()
 
     @istest
     def info(self):
         # when
         rv = self.app.get('/info')
 
         self.assertEquals(rv.status_code, 200)
         self.assertEquals(rv.data, b'Dev SWH UI')
 
     @istest
     def main_redirects_to_info(self):
         # when
         rv = self.app.get('/', follow_redirects=False)
 
         self.assertEquals(rv.status_code, 302)  # check redirects to /info
 
     # @istest
     def search_1(self):
         # when
         rv = self.app.get('/search')
 
         self.assertEquals(rv.status_code, 200)  # check this api
         self.assertRegexpMatches(rv.data, b'name=q value=>')
 
     # @istest
     def search_2(self):
         # when
         rv = self.app.get('/search?q=one-hash-to-look-for:another-one')
 
         self.assertEquals(rv.status_code, 200)  # check this api
         self.assertRegexpMatches(
             rv.data,
             b'name=q value=one-hash-to-look-for:another-one')
 
     # @istest
     def api_1_stat_counters(self):
         rv = self.app.get('/api/1/stat/counters')
 
         self.assertEquals(rv.status_code, 200)
         self.assertEquals(rv.mimetype, 'application/json')