old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  test_igenstrings
  ----------------------------------
  
  Tests for `igenstrings` module.
  """
  
  import unittest
  from codecs import open
  
  from igenstrings import merger
  
  
  class TestMergerIntegration(unittest.TestCase):
  
      def setUp(self):
          pass
  
      def tearDown(self):
          pass
  
      def test_keep_existing_translated_strings(self):
          merger.merge_localized_strings('tests/objc', None)
          content = None
          with open('tests/objc/fr.lproj/Localizable.strings', encoding='utf16', mode='r') as fr_locale_file:
              content = fr_locale_file.read()
          self.assertIn('Bonjour', content)
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  test_igenstrings
  ----------------------------------
  
  Tests for `igenstrings` module.
  """
  
  import unittest
  from codecs import open
  
  from igenstrings.merger import Merger
  
  
  class TestMergerIntegration(unittest.TestCase):
  
      def setUp(self):
          pass
  
      def tearDown(self):
          pass
  
      def test_keep_existing_translated_strings(self):
          merger = Merger('tests/objc', None)
          merger.merge_localized_strings()
          content = None
          with open('tests/objc/fr.lproj/Localizable.strings', encoding='utf16', mode='r') as fr_locale_file:
              content = fr_locale_file.read()
          self.assertIn('Bonjour', content)
  
subject: Fix the merger tests