@Test
 public void shouldStartMediaPlayer() throws AudioFileException {
   audioPlayerManager.play(ANY_FILE, IS_NOT_ASSET);
   verify(mediaPlayer).start();
 }
 @Test(expected = AudioFileException.class)
 public void shouldThrowExceptionWhenNoAudioFileIsFound() throws AudioFileException, IOException {
   audioPlayerManager.play("", false);
 }
 @Test
 public void shouldPrepareMediaPlayer() throws AudioFileException, IOException {
   audioPlayerManager.play(ANY_FILE, IS_NOT_ASSET);
   verify(mediaPlayer).prepare();
 }