assert.Equal(t, output, c.expectedOutput)

			if c.expectedError != nil {
				assert.Error(t, err)
			} else {
				assert.NoError(t, err)
			}
		})
	}
}

func Test_checkTracing(t *testing.T) {
	cli := kube.NewFakeClient()
	messages := diag.Messages{}

	zipkinSvc := &corev1.Service{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "zipkin",
			Namespace: "istio-system",
		},