'``StopApplication.run()`` does not errback if the application does
not exist.'

def test_does_not_exist(self):

    api = ApplicationNodeDeployer(u'example.com', docker_client=FakeDockerClient())
    application = Application(name=u'site-example.com', image=DockerImage(repository=u'clusterhq/flocker', tag=u'release-14.0'), links=frozenset())
    result = StopApplication(application=application).run(api, state_persister=InMemoryStatePersister())
    result = self.successResultOf(result)
    self.assertIs(None, result)
