verifyProfileDiffCommandCaseOutput(t, c, by.String(), err)
		})
	}
}

func verifyProfileDiffCommandCaseOutput(t *testing.T, c profileDiffTestcase, output string, fErr error) {
	t.Helper()

	if c.expectedString != "" && !strings.Contains(output, c.expectedString) {
		t.Fatalf("Output didn't match for 'istioctl %s'\n got %v\nwant: %v", c.args, output, c.expectedString)
	}