`
	if err := testutil.GatherAndCompare(legacyregistry.DefaultGatherer, strings.NewReader(expected), metricNames...); err != nil {
		t.Fatal(err)
	}
}

// Returns a random exit code in the range(1-127).
func randomExitCode() int {
	errorCode := mrand.Intn(127) // Range: (0 - 126)
	errorCode += 1               // Range: (1 - 127)
	return errorCode
}