for _, s := range tc.outputMatches {
				if !strings.Contains(commandOutput, s) {
					t.Fatalf("expected \"%s\" in command output, got %s", s, commandOutput)
				}
			}
		})
	}
}

func TestRemoveTag(t *testing.T) {
	tcs := []struct {
		name             string
		tag              string
		webhooksBefore   admitv1.MutatingWebhookConfigurationList
		webhooksAfter    admitv1.MutatingWebhookConfigurationList