@Test
void shouldNotSetBackgroundMusic() {

    when(mockMusicManager.getCurrentMusic().getMedia().getSource()).thenReturn("another-song.mp3");
    when(mockMusicManager.getPlaylist().isEmpty()).thenReturn(false);
    gameMenuController.playBackgroundMusic(mockGameContext, mockGameSpec, mockMusicManager);
    assertTrue(BackgroundMusicManager.getInstance().getBackupPlaylist().isEmpty());
}