diff --git a/salt/states/docker_container.py b/salt/states/docker_container.py
index <HASH>..<HASH> 100644
--- a/salt/states/docker_container.py
+++ b/salt/states/docker_container.py
@@ -1989,6 +1989,7 @@ def running(name,
         if __opts__['test']:
             ret['result'] = None
             comments.append('Container would be started')
+            return _format_comments(ret, comments)
         else:
             try:
                 post_state = __salt__['docker.start'](name)['state']['new']
docker_container.running: Fix regression in test mode

In the process of overhauling docker_container.running to support
network management for <I>, This line was deleted when it should
not have been. Adding it back to ensure we exit the state at the proper
place when state is run in test mode.