@Test
void shouldChangeTheMusicFolderAndNotPlayIfWasNotPlaying(@Mocked BackgroundMusicManager mockMusicManager,
                                                         @Mocked Configuration mockConfiguration) {

    StringProperty mockMusicFolderProperty = new SimpleStringProperty();
    new Expectations() {{
        mockMusicManager.isPlaying();
        result = false;
        BackgroundMusicManager.getInstance();
        result = mockMusicManager;
        mockConfiguration.getMusicFolderProperty();
        result = mockMusicFolderProperty;
    }};
    ConfigurationContext.changeMusicFolder("mockFolder", mockConfiguration);
    new Verifications() {{
        mockMusicManager.play();
        times = 0;
    }};
}