add restart_swss (#412)

Author: maggiemsft

ansible/roles/test/vars/testcases.yml

@@ -125,7 +125,11 @@ testcases:
     reboot:
       filename: reboot.yml
       topologies: [t0, t0-64, t0-64-32,t0-116, t1, t1-lag, t1-64-lag, ptf32, ptf64]
-    
+
+    restart_swss:
+      filename: run_config_cleanup.yml
+      topologies: [t0, t0-64, t0-64-32, t0-116, t1, t1-lag, t1-64-lag, ptf32, ptf64]
+
     sensors_check:
       filename: sensors_check.yml
       topologies: [t0, t0-64, t0-64-32,t0-116, t1, t1-lag, t1-64-lag, ptf32, ptf64]