diff --git a/tox.ini b/tox.ini
index 5c9a7021205..d94d0bf0511 100644
--- a/tox.ini
+++ b/tox.ini
@@ -85,11 +85,12 @@ 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
 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.*|.*TestOvnNbSync.*) {posargs}
-  stestr run --slowest --combine --concurrency 1 (.*MySQL\.|.*test_get_all_devices|.*TestMetadataAgent\.|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task|.*TestOvnNbSync.*) {posargs}
-  stestr run --slowest --combine --exclude-regex (.*MySQL\.|.*test_get_all_devices|.*TestMetadataAgent\.|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task|.*TestOvnNbSync.*) neutron.tests.functional.agent.l3 {posargs}
+  stestr run --slowest --exclude-regex ({[testenv:dsvm-functional-gate]test_regex}|neutron.tests.functional.agent.l3.*) {posargs}
+  stestr run --slowest --combine --concurrency 1 ({[testenv:dsvm-functional-gate]test_regex}) {posargs}
+  stestr run --slowest --combine --exclude-regex ({[testenv:dsvm-functional-gate]test_regex}) neutron.tests.functional.agent.l3 {posargs}
 
 [testenv:dsvm-fullstack]
 description =