Merge "[FT] Run test_periodic_sync_routers_task tests serially" into stable/2023.1

Author: Zuul

tox.ini

@@ -79,8 +79,8 @@ setenv = {[testenv:dsvm-functional]setenv}
 deps = {[testenv:dsvm-functional]deps}
 commands =
   bash {toxinidir}/tools/deploy_rootwrap.sh {toxinidir} {envdir}/etc {envdir}/bin
-  stestr run --exclude-regex (.*MySQL\.|.*PostgreSQL\.|.*test_get_all_devices|.*BaseOVSTestCase\.) {posargs}
-  stestr run --combine --concurrency 1 (.*MySQL\.|.*PostgreSQL\.|.*test_get_all_devices|.*BaseOVSTestCase\.) {posargs}
+  stestr run --exclude-regex (.*MySQL\.|.*PostgreSQL\.|.*test_get_all_devices|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task) {posargs}
+  stestr run --combine --concurrency 1 (.*MySQL\.|.*PostgreSQL\.|.*test_get_all_devices|.*BaseOVSTestCase\.|.*test_periodic_sync_routers_task) {posargs}
 
 [testenv:dsvm-fullstack]
 setenv = {[testenv]setenv}