func newTrafficTest(t framework.TestContext, echos ...echo.Instances) *echotest.T {
	var all []echo.Instance
	for _, e := range echos {
		all = append(all, e...)
	}

	return echotest.New(t, all).
		WithDefaultFilters(1, 1).
		FromMatch(match.And(
			match.NotNaked,
			match.NotProxylessGRPC)).
		ToMatch(match.And(
			match.NotNaked,
			match.NotProxylessGRPC)).
		ConditionallyTo(echotest.NoSelfCalls)
}