diff --git a/swh/archiver/tests/test_archiver.py b/swh/archiver/tests/test_archiver.py
--- a/swh/archiver/tests/test_archiver.py
+++ b/swh/archiver/tests/test_archiver.py
@@ -20,10 +20,11 @@
 from swh.objstorage import get_objstorage
 from swh.objstorage.exc import ObjNotFoundError
 from swh.archiver.tests import SQL_DIR
+from swh.scheduler.tests.celery_testing import CeleryTestFixture
 
 
 @pytest.mark.db
-class TestArchiver(SingleDbTestFixture, unittest.TestCase):
+class TestArchiver(CeleryTestFixture, SingleDbTestFixture, unittest.TestCase):
     """ Test the objstorage archiver.
     """