t.Errorf("len(podMap) = %v, want %v", got, want)
	}
	if got, want := len(podMap[rs1.UID]), 2; got != want {
		t.Errorf("len(podMap[rs1]) = %v, want %v", got, want)
	}
	expect := map[string]struct{}{"rs1-pod": {}, "pod4": {}}
	for _, pod := range podMap[rs1.UID] {
		if _, ok := expect[pod.Name]; !ok {
			t.Errorf("unexpected pod name for rs1: %s", pod.Name)
		}
	}
	if got, want := len(podMap[rs2.UID]), 1; got != want {