Added clean-up check to a missed execution (#957)

Author: prsunny

ansible/roles/test/tasks/vnet_vxlan.yml

@@ -167,6 +167,7 @@
 
             - name: Apply route json configuration
               shell: docker exec swss sh -c "swssconfig /vnet.route.json"
+              when: cleanup|bool
 
             - name: sleep for some time
               pause: seconds=3