func podCountByRevision(pods []corev1.Pod, expectedRevision string) map[string]revisionCount {
	retval := map[string]revisionCount{}
	for _, pod := range pods {
		revision := extractRevisionFromPod(&pod)
		revisionLabel := revision
		if revision == "" {
			revisionLabel = "<non-Istio>"
		}
		counts := retval[revisionLabel]
		counts.pods++
		if injectionDisabled(&pod) {
			counts.disabled++

					},
				},
			},
			expectedRevision: "test-anno",
		},
	}
	for i, c := range cases {
		t.Run(fmt.Sprintf("case %d %s", i, c.name), func(t *testing.T) {
			assert.Equal(t, c.expectedRevision, extractRevisionFromPod(c.pod))
		})
	}
}

func Test_getNamespaces(t *testing.T) {
	createNamespace := func(name string, labels map[string]string) *corev1.Namespace {
		return &corev1.Namespace{
			ObjectMeta: metav1.ObjectMeta{