SoundManager { public void add(String resource) { listOfMusicToPlay.add(resource); }  void init(); void destroy(); void playRequestedSounds(); void clear(); void add(String resource);  }
@Test void shouldAddSeveralFilesNameToTheList() { soundManager.add("music/mvmt0.wav"); soundManager.add("music/hand_sound1.mp3"); soundManager.add("music/song.mp3"); Assertions.assertTrue(soundManager.getListOfMusicToPlay().contains("music/mvmt0.wav")); Assertions.assertTrue(soundManager.getListOfMusicToPlay().contains("music/hand_sound1.mp3")); Assertions.assertTrue(soundManager.getListOfMusicToPlay().contains("music/song.mp3")); }