old_contents: """
  distutilazy.tests.test_util
  -----------------
  
  Test distutilazy.util module.
  """
  
  from __future__ import absolute_import
  
  import sys
  from platform import python_implementation
  from os.path import dirname, realpath
  from unittest import TestCase, main
  
  here = dirname(__file__)
  sys.path.insert(0, dirname(here))
  sys.path.insert(0, here)
  
  from distutilazy import util
  
  if python_implementation().lower() == 'jython':
      __file__ = __file__[:-9] + '.py' if __file__.endswith('$py.class') else __file__
  else:
      __file__ = __file__[:-1] if __file__.endswith('.pyc') else __file__
  
  class TestUtil(TestCase):
  
      def test_util_find_files(self):
          me = realpath(__file__)
          files = util.find_files(here, "test_util.py*")
          self.assertIn(me, files)
          files = util.find_files(here, "not_existing_file.py")
          self.assertEqual(files, [])
  
      def test_util_find_directories(self):
          found = util.find_directories(dirname(here), "tes*")
          self.assertIn(here, found)
          found = util.find_directories(here, "not_existing_dir")
          self.assertEqual(found, [])
  
new_contents: """
  distutilazy.tests.test_util
  -----------------
  
  Test distutilazy.util module.
  """
  
  from __future__ import absolute_import
  
  import sys
  from os.path import dirname, realpath
  from unittest import TestCase, main
  
  here = dirname(__file__)
  sys.path.insert(0, dirname(here))
  sys.path.insert(0, here)
  
  from distutilazy import util
  
  if __file__.endswith('$py.class'):
      __file__ = __file__[:-9] + '.py'
  elif __file__.endswith('.pyc'):
      __file__ = __file__[:-1]
  
  class TestUtil(TestCase):
  
      def test_util_find_files(self):
          me = realpath(__file__)
          files = util.find_files(here, "test_util.py*")
          self.assertIn(me, files)
          files = util.find_files(here, "not_existing_file.py")
          self.assertEqual(files, [])
  
      def test_util_find_directories(self):
          found = util.find_directories(dirname(here), "tes*")
          self.assertIn(here, found)
          found = util.find_directories(here, "not_existing_dir")
          self.assertEqual(found, [])
  
subject: Simplify the check for Jython in test_util