diff --git a/tox.ini b/tox.ini
index 049639a6d92..3ca8a9262ef 100644
--- a/tox.ini
+++ b/tox.ini
@@ -87,9 +87,9 @@ setenv = {[testenv:dsvm-functional]setenv}
 deps = {[testenv:dsvm-functional]deps}
 commands =
   bash {toxinidir}/tools/deploy_rootwrap.sh {toxinidir} {envdir}/etc {envdir}/bin
-  stestr run --slowest --exclude-regex (.*MySQL\.|.*test_get_all_devices|.*TestMetadataAgent\.|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task) neutron.tests.functional.agent.l3 {posargs}
-  stestr run --slowest --combine --exclude-regex (.*MySQL\.|.*test_get_all_devices|.*TestMetadataAgent\.|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task|neutron.tests.functional.agent.l3.*) {posargs}
-  stestr run --slowest --combine --concurrency 1 (.*MySQL\.|.*test_get_all_devices|.*TestMetadataAgent\.|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task) {posargs}
+  stestr run --slowest --exclude-regex (.*MySQL\.|.*test_get_all_devices|.*TestMetadataAgent\.|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task|.*TestOvnNbSync.*) neutron.tests.functional.agent.l3 {posargs}
+  stestr run --slowest --combine --exclude-regex (.*MySQL\.|.*test_get_all_devices|.*TestMetadataAgent\.|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task|neutron.tests.functional.agent.l3.*|.*TestOvnNbSync.*) {posargs}
+  stestr run --slowest --combine --concurrency 1 (.*MySQL\.|.*test_get_all_devices|.*TestMetadataAgent\.|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task|.*TestOvnNbSync.*) {posargs}
 
 [testenv:dsvm-fullstack]
 description =