diff --git a/swh/lister/bitbucket/tests/test_bb_lister.py b/swh/lister/bitbucket/tests/test_bb_lister.py
--- a/swh/lister/bitbucket/tests/test_bb_lister.py
+++ b/swh/lister/bitbucket/tests/test_bb_lister.py
@@ -6,10 +6,10 @@
 import unittest
 
 from swh.lister.bitbucket.lister import BitBucketLister
-from swh.lister.core.tests.test_lister import HttpListerTesterBase
+from swh.lister.core.tests.test_lister import HttpListerTester
 
 
-class BitBucketListerTester(HttpListerTesterBase, unittest.TestCase):
+class BitBucketListerTester(HttpListerTester, unittest.TestCase):
     Lister = BitBucketLister
     test_re = re.compile(r'/repositories\?after=([^?&]+)')
     lister_subdir = 'bitbucket'
diff --git a/swh/lister/core/tests/test_lister.py b/swh/lister/core/tests/test_lister.py
--- a/swh/lister/core/tests/test_lister.py
+++ b/swh/lister/core/tests/test_lister.py
@@ -37,7 +37,6 @@
     good_api_response_file = AbstractAttribute('Example good response body')
     bad_api_response_file = AbstractAttribute('Example bad response body')
     first_index = AbstractAttribute('First index in good_api_response')
-    last_index = AbstractAttribute('Last index in good_api_response')
     entries_per_page = AbstractAttribute('Number of results in good response')
     LISTER_NAME = 'fake-lister'
 
@@ -215,6 +214,11 @@
         engine = create_engine(db.url())
         model.metadata.create_all(engine)
 
+
+class HttpListerTester(HttpListerTesterBase, abc.ABC):
+    last_index = AbstractAttribute('Last index in good_api_response')
+
+    @requests_mock.Mocker()
     @istest
     def test_fetch_multiple_pages_yesdb(self, http_mocker):
         http_mocker.get(self.test_re, text=self.mock_response)
@@ -227,10 +231,6 @@
 
         self.disable_storage_and_scheduler(fl)
 
-        # FIXME: Separate the tests properly for the gitlab lister
-        # did not succeed yet
-        if not hasattr(fl, 'db_last_index'):  # gitlab lister cannot pass here
-            return
         fl.run(min_bound=self.first_index)
 
         self.assertEqual(fl.db_last_index(), self.last_index)
diff --git a/swh/lister/github/tests/test_gh_lister.py b/swh/lister/github/tests/test_gh_lister.py
--- a/swh/lister/github/tests/test_gh_lister.py
+++ b/swh/lister/github/tests/test_gh_lister.py
@@ -6,11 +6,11 @@
 import unittest
 from datetime import datetime, timedelta
 
-from swh.lister.core.tests.test_lister import HttpListerTesterBase
+from swh.lister.core.tests.test_lister import HttpListerTester
 from swh.lister.github.lister import GitHubLister
 
 
-class GitHubListerTester(HttpListerTesterBase, unittest.TestCase):
+class GitHubListerTester(HttpListerTester, unittest.TestCase):
     Lister = GitHubLister
     test_re = re.compile(r'/repositories\?since=([^?&]+)')
     lister_subdir = 'github'
diff --git a/swh/lister/gitlab/tests/test_gitlab_lister.py b/swh/lister/gitlab/tests/test_gitlab_lister.py
--- a/swh/lister/gitlab/tests/test_gitlab_lister.py
+++ b/swh/lister/gitlab/tests/test_gitlab_lister.py
@@ -2,6 +2,7 @@
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
+import re
 import unittest
 
 from datetime import datetime, timedelta
@@ -12,12 +13,11 @@
 
 class GitLabListerTester(HttpListerTesterBase, unittest.TestCase):
     Lister = GitLabLister
-    test_re = GitLabLister.API_URL_INDEX_RE
+    test_re = re.compile(r'^.*/projects.*page=(\d+).*')
     lister_subdir = 'gitlab'
     good_api_response_file = 'api_response.json'
     bad_api_response_file = 'api_empty_response.json'
     first_index = 1
-    last_index = 2
     entries_per_page = 10
 
     def response_headers(self, request):