old_contents: import unittest
  import os
  from mock import call, patch
  from packages.lyrics import lyrics
  
  #TODO: add tests for PyLyricsClone
  class Lyrics_Test(unittest.TestCase):
  
      def setUp(self):
          self.song_name = "everybody dies"
          self.artist_name = "ayreon"
          self.complete_info = "everybody dies-ayreon"
          self.wrong_info = "everybody dies-arebon"
  
      def test_lyrics_found_given_full_parameters(self):
          self.assertIsNotNone(lyrics.find(self.complete_info))
  
      def test_lyrics_not_found_given_incomplete_parameter(self):
          self.assertEqual(lyrics.find(self.song_name), ["you forgot to add either song name or artist name"])
  
      def test_lyrics_not_found_given_wrong_parameter(self):
          self.assertIsNone(lyrics.find(self.wrong_info))
  
      def test_split_works(self):
          self.assertEqual(lyrics.parse(self.complete_info), ["everybody dies", "ayreon"])
  
new_contents: import unittest
  import os
  from mock import call, patch
  from packages.lyrics import lyrics
  
  #TODO: add tests for PyLyricsClone
  class Lyrics_Test(unittest.TestCase):
  
      def setUp(self):
          self.song_name = "everybody dies"
          self.artist_name = "ayreon"
          self.complete_info = "everybody dies-ayreon"
          self.wrong_info = "everybody dies-arebon"
          self.module = lyrics()
  
      def test_lyrics_found_given_full_parameters(self):
          self.assertIsNotNone(self.module.find(self.complete_info))
  
      def test_lyrics_not_found_given_incomplete_parameter(self):
          self.assertEqual(self.module.find(self.song_name), ["you forgot to add either song name or artist name"])
  
      def test_lyrics_not_found_given_wrong_parameter(self):
          self.assertIsNone(self.module.find(self.wrong_info))
  
      def test_split_works(self):
          self.assertEqual(self.module.parse(self.complete_info), ["everybody dies", "ayreon"])
  
subject: Fix test error