s := xdsfake.NewFakeDiscoveryServer(t, xdsfake.FakeOptions{})
	ads := s.ConnectADS().WithID("").WithType(v3.ClusterType)
	xds.AdsPushAll(s.Discovery)
	ads.ExpectNoResponse(t)
}

func TestVersionNonce(t *testing.T) {
	s := xdsfake.NewFakeDiscoveryServer(t, xdsfake.FakeOptions{})
	ads := s.ConnectADS().WithType(v3.ClusterType)
	resp1 := ads.RequestResponseAck(t, nil)
	fullPush(s)
	resp2 := ads.ExpectResponse(t)