diff --git a/neutron/tests/functional/objects/__init__.py b/neutron/tests/functional/objects/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/neutron/tests/functional/objects/test_quota.py b/neutron/tests/functional/objects/test_quota.py
new file mode 100644
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+++ b/neutron/tests/functional/objects/test_quota.py
@@ -0,0 +1,71 @@
+# Copyright 2021 Red Hat, Inc.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import datetime
+
+from neutron_lib import context
+from oslo_utils import uuidutils
+
+from neutron.objects import quota
+from neutron.tests.unit import testlib_api
+
+
+class _ReservationSql(testlib_api.SqlTestCase):
+
+    def setUp(self):
+        super().setUp()
+        self.context = context.Context(user_id=None, tenant_id=None,
+                                       is_admin=True, overwrite=False)
+
+    def _create_test_reservation(self, exp):
+        res_id = uuidutils.generate_uuid()
+        project_id = uuidutils.generate_uuid()
+        reservation = quota.Reservation(
+            self.context, id=res_id, expiration=exp, project_id=project_id)
+        reservation.create()
+        return reservation
+
+    def _get_reservation(self, _id):
+        return quota.Reservation.get_object(self.context, id=_id)
+
+    def _create_resource_delta(self, resource, reservation_id, amount):
+        resource_delta = quota.ResourceDelta(
+            self.context, resource=resource, reservation_id=reservation_id,
+            amount=amount)
+        resource_delta.create()
+        return resource_delta
+
+    def test_get_total_reservations_map(self):
+        resources = ['port']
+        a_long_time_ago = datetime.datetime(1978, 9, 4)
+        res = self._create_test_reservation(a_long_time_ago)
+        res_delta = self._create_resource_delta('port', res.id, 100)
+        res = self._get_reservation(res.id)
+        self.assertEqual(1, len(res.resource_deltas))
+        self.assertEqual(res_delta, res.resource_deltas[0])
+        res_map = quota.Reservation.get_total_reservations_map(
+            self.context, datetime.datetime.utcnow(), res.project_id,
+            resources, True)
+        self.assertEqual({'port': 100}, res_map)
+        self.assertIsInstance(res_map['port'], int)
+
+
+class TestReservationMySQL(_ReservationSql, testlib_api.MySQLTestCaseMixin):
+    pass
+
+
+class TestReservationPostgreSQL(_ReservationSql,
+                                testlib_api.PostgreSQLTestCaseMixin):
+    pass