def test_true_1(self):
     self.assertTrue(is_audio("NothingElseMatters.mp3"))
 def test_true_2(self):
     self.assertTrue(is_audio("DaftPunk.flac"))
 def test_false_3(self):
     self.assertFalse(is_audio(" Amon Tobin.alac"))
 def test_false_2(self):
     self.assertFalse(is_audio("DaftPunk.FLAC"))
 def test_false_1(self):
     self.assertFalse(is_audio("Nothing Else Matters.mp3"))
 def test_true_4(self):
     self.assertTrue(is_audio("tobin.alac"))
 def test_true_3(self):
     self.assertTrue(is_audio("AmonTobin.aac"))