host     = "testsingletlsgateway-secretrotation.example.com"
			)
			allInstances := []echo.Instances{ingressutil.A, ingressutil.VM}
			for _, instances := range allInstances {
				echotest.New(t, instances).
					SetupForDestination(func(t framework.TestContext, to echo.Target) error {
						ingressutil.SetupConfig(t, echo1NS, ingressutil.TestConfig{
							Mode:           "SIMPLE",
							CredentialName: credName,
							Host:           host,