diff --git a/nova/tests/functional/db/test_cell_mapping.py b/nova/tests/functional/db/test_cell_mapping.py
index 119ddad9f184..ccb4928db42a 100644
--- a/nova/tests/functional/db/test_cell_mapping.py
+++ b/nova/tests/functional/db/test_cell_mapping.py
@@ -81,6 +81,8 @@ class CellMappingTestCase(test.NoDBTestCase):
 
 
 class CellMappingListTestCase(test.NoDBTestCase):
+    USES_DB_SELF = True
+
     def setUp(self):
         super(CellMappingListTestCase, self).setUp()
         self.useFixture(fixtures.Database(database='api'))
diff --git a/nova/tests/functional/db/test_instance_mapping.py b/nova/tests/functional/db/test_instance_mapping.py
index 92d147a3c042..5f1f618b7fa2 100644
--- a/nova/tests/functional/db/test_instance_mapping.py
+++ b/nova/tests/functional/db/test_instance_mapping.py
@@ -125,6 +125,8 @@ class InstanceMappingTestCase(test.NoDBTestCase):
 
 
 class InstanceMappingListTestCase(test.NoDBTestCase):
+    USES_DB_SELF = True
+
     def setUp(self):
         super(InstanceMappingListTestCase, self).setUp()
         self.useFixture(fixtures.Database(database='api'))