fc := xdstest.ExtractFilterChain("virtualOutbound-blackhole", xdstest.ExtractListener("virtualOutbound", l1))
	if len(xdstest.ExtractTCPProxy(t, fc).GetAccessLog()) != 1 {
		t.Fatalf("unexpected access log: %v", xdstest.ExtractTCPProxy(t, fc).GetAccessLog())
	}
}

func newTestEnviroment() *model.Environment {
	serviceDiscovery := memregistry.NewServiceDiscovery(&model.Service{
		Hostname:       "test.example.org",