diff --git a/swh/lister/github/tests/conftest.py b/swh/lister/github/tests/conftest.py
new file mode 100644
index 0000000..e28927b
--- /dev/null
+++ b/swh/lister/github/tests/conftest.py
@@ -0,0 +1,26 @@
+# Copyright (C) 2019-2020 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 pytest
+
+
+@pytest.fixture
+def lister_under_test():
+    return "github"
+
+
+@pytest.fixture
+def lister_github(swh_lister):
+    for task_type in [
+        {
+            "type": "load-git",
+            "description": "Load git repository",
+            "backend_name": "swh.loader.git.tasks.UpdateGitRepository",
+            "default_interval": "1 day",
+        },
+    ]:
+        swh_lister.scheduler.create_task_type(task_type)
+
+    return swh_lister
diff --git a/swh/lister/github/tests/test_lister.py b/swh/lister/github/tests/test_lister.py
index fef8810..1c0d7b1 100644
--- a/swh/lister/github/tests/test_lister.py
+++ b/swh/lister/github/tests/test_lister.py
@@ -1,87 +1,81 @@
 # Copyright (C) 2017-2020 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 re
 import unittest
 
-import pytest
 import requests_mock
 
 from swh.lister.core.tests.test_lister import HttpListerTester
 from swh.lister.github.lister import GitHubLister
 
 
 class GitHubListerTester(HttpListerTester, unittest.TestCase):
     Lister = GitHubLister
     test_re = re.compile(r"/repositories\?since=([^?&]+)")
     lister_subdir = "github"
     good_api_response_file = "data/https_api.github.com/first_response.json"
     bad_api_response_file = "data/https_api.github.com/empty_response.json"
     first_index = 0
     last_index = 369
     entries_per_page = 100
     convert_type = int
 
     def response_headers(self, request):
         headers = {"X-RateLimit-Remaining": "1"}
         if self.request_index(request) == self.first_index:
             headers.update(
                 {
                     "Link": "<https://api.github.com/repositories?since=%s>;"
                     ' rel="next",'
                     "<https://api.github.com/repositories{?since}>;"
                     ' rel="first"' % self.last_index
                 }
             )
         else:
             headers.update(
                 {
                     "Link": "<https://api.github.com/repositories{?since}>;"
                     ' rel="first"'
                 }
             )
         return headers
 
     def mock_rate_quota(self, n, request, context):
         self.rate_limit += 1
         context.status_code = 403
         context.headers["X-RateLimit-Remaining"] = "0"
         context.headers["Retry-After"] = "1"  # 1 second
         return '{"error":"dummy"}'
 
     @requests_mock.Mocker()
     def test_scheduled_tasks(self, http_mocker):
         self.scheduled_tasks_test(
             "data/https_api.github.com/next_response.json", 876, http_mocker
         )
 
 
-@pytest.fixture
-def lister_under_test():
-    return "github"
-
-
-def test_lister_github(swh_lister, requests_mock_datadir):
+def test_lister_github(lister_github, requests_mock_datadir):
     """Simple github listing should create scheduled tasks
 
     """
-    swh_lister.run()
+    lister_github.run()
 
-    r = swh_lister.scheduler.search_tasks(task_type="load-git")
+    r = lister_github.scheduler.search_tasks(task_type="load-git")
     assert len(r) == 100
 
     for row in r:
         assert row["type"] == "load-git"
         # arguments check
         args = row["arguments"]["args"]
         assert len(args) == 0
 
         # kwargs
         kwargs = row["arguments"]["kwargs"]
         url = kwargs["url"]
         assert url.startswith("https://github.com")
 
         assert row["policy"] == "recurring"
         assert row["priority"] is None