old_contents: # Skipping test_parser and test_all_fixers
  # because of running
  from lib2to3.tests import test_fixers, test_pytree, test_util
  import unittest
  from test.test_support import run_unittest
  
  def suite():
      tests = unittest.TestSuite()
      loader = unittest.TestLoader()
      for m in (test_fixers,test_pytree,test_util):
          tests.addTests(loader.loadTestsFromModule(m))
      return tests
  
  def test_main():
      run_unittest(suite())
  
  
  if __name__ == '__main__':
      test_main()
  
new_contents: # Skipping test_parser and test_all_fixers
  # because of running
  from lib2to3.tests import test_fixers, test_pytree, test_util, test_refactor
  import unittest
  from test.test_support import run_unittest
  
  def suite():
      tests = unittest.TestSuite()
      loader = unittest.TestLoader()
      for m in (test_fixers,test_pytree,test_util, test_refactor):
          tests.addTests(loader.loadTestsFromModule(m))
      return tests
  
  def test_main():
      run_unittest(suite())
  
  
  if __name__ == '__main__':
      test_main()
  
subject: enable refactor tests