diff --git a/neutron/tests/functional/plugins/ml2/drivers/ovn/mech_driver/ovsdb/test_ovn_client.py b/neutron/tests/functional/plugins/ml2/drivers/ovn/mech_driver/ovsdb/test_ovn_client.py
index ec5578b7dc5..032a3450ccf 100644
--- a/neutron/tests/functional/plugins/ml2/drivers/ovn/mech_driver/ovsdb/test_ovn_client.py
+++ b/neutron/tests/functional/plugins/ml2/drivers/ovn/mech_driver/ovsdb/test_ovn_client.py
@@ -21,6 +21,7 @@ from neutron_lib.services.qos import constants as qos_const
 from oslo_config import cfg
 from oslo_utils import strutils
 from oslo_utils import uuidutils
+from sqlalchemy.dialects.mysql import dialect as mysql_dialect
 
 from neutron.common.ovn import constants as ovn_const
 from neutron.common.ovn import utils as ovn_utils
@@ -28,9 +29,11 @@ from neutron.conf.plugins.ml2.drivers.ovn import ovn_conf as ovn_config
 from neutron.tests.functional import base
 from neutron.tests.unit.api import test_extensions
 from neutron.tests.unit.extensions import test_l3
+from neutron.tests.unit import testlib_api
 
 
-class TestOVNClient(base.TestOVNFunctionalBase,
+class TestOVNClient(testlib_api.MySQLTestCaseMixin,
+                    base.TestOVNFunctionalBase,
                     test_l3.L3NatTestCaseMixin):
 
     _extension_drivers = ['qos']
@@ -38,6 +41,7 @@ class TestOVNClient(base.TestOVNFunctionalBase,
     def setUp(self, *args):
         service_plugins = {plugins_constants.QOS: 'qos'}
         super().setUp(service_plugins=service_plugins)
+        self.assertEqual(mysql_dialect.name, self.db.engine.dialect.name)
         ext_mgr = test_l3.L3TestExtensionManager()
         self.ext_api = test_extensions.setup_extensions_middleware(ext_mgr)
 
diff --git a/tox.ini b/tox.ini
index 19f10ed0334..42fd2d99d8d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -85,7 +85,7 @@ description =
     Run functional gate tests that require sudo privileges.
 setenv = {[testenv:dsvm-functional]setenv}
 deps = {[testenv:dsvm-functional]deps}
-test_regex = .*MySQL\.|.*test_get_all_devices|.*TestMetadataAgent\.|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task|.*TestOvnNbSync.*|.*TestMaintenance|.*TestLogMaintenance|.*TestNBDbMonitor.*
+test_regex = .*MySQL\.|.*test_get_all_devices|.*TestMetadataAgent\.|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task|.*TestOvnNbSync.*|.*TestMaintenance|.*TestLogMaintenance|.*TestNBDbMonitor.*|.*test_ovn_client.*
 commands =
   bash {toxinidir}/tools/deploy_rootwrap.sh {toxinidir} {envdir}/etc {envdir}/bin
   stestr run --slowest --exclude-regex ({[testenv:dsvm-functional-gate]test_regex}|neutron.tests.functional.agent.l3.*) {posargs}