### Question:
Sounds { public static void playBeep(SoundConfiguration sound) { if (sound.isAlertSound()) { Toolkit.getDefaultToolkit().beep(); } } private  Sounds(); static void initialise(); static void playBeep(SoundConfiguration sound); static void playPaymentReceived(SoundConfiguration sound);  }### Answer:
@Test public void testPlayBeep() throws Exception { Sounds.playBeep(Configurations.currentConfiguration.getSound()); }