w := NewDefaultWatcher(client, "default")
	client.RunAndWait(stop)
	go w.Run(stop)
	// if have no default tag for some reason, should return ""
	expectRevision(t, w, "")
	close(stop)
}

func TestDefaultRevisionChanges(t *testing.T) {
	stop := test.NewStop(t)
	client := kube.NewFakeClient()
	w := NewDefaultWatcher(client, "default").(*defaultWatcher)
	client.RunAndWait(stop)
	go w.Run(stop)