old_contents: import unittest.test
  
  from test import support
  
  
  def test_main():
      support.run_unittest(unittest.test.suite())
      support.reap_children()
  
  if __name__ == "__main__":
      test_main()
  
new_contents: import unittest.test
  
  from test import support
  
  
  def test_main():
      # used by regrtest
      support.run_unittest(unittest.test.suite())
      support.reap_children()
  
  def load_tests(*_):
      # used by unittest
      return unittest.test.suite()
  
  if __name__ == "__main__":
      test_main()
  
subject: Fix so that test.test_unittest can be executed by unittest and not just regrtest