test: fix commented class

tests/lambdas/test_lambdaSpeechToScore_librosa.py

@@ -47,7 +47,7 @@ class TestCalcStartEnd(unittest.TestCase):
         self.assertEqual(output, 48000 * 4)
 
 
-# class TestAudioReadLoad(unittest.TestCase):
+class TestAudioReadLoad(unittest.TestCase):
 
     def test_audioread_load_full_file(self):
         signal, sr_native = lambdaSpeechToScore.audioread_load(input_file_test_de)