old_contents: import AlphaTwirl
  import unittest
  
  ##____________________________________________________________________________||
  # How to run test
  # at the directory one up (under AlphaTwirl/)
  #
  # to run all tests in this file
  # $ python -m unittest tests.examples.test_test_example
  #
  # to run a particular test in this file
  # $ python -m unittest tests.examples.test_test_example.TestExample1
  #
  # to run all tests in all files
  # $ python -m unittest discover
  
  ##____________________________________________________________________________||
  class TestExample1(unittest.TestCase):
      def test_example(self):
          pass
      pass
  
  ##____________________________________________________________________________||
  class TestExample2(unittest.TestCase):
      def test_example(self):
          pass
      pass
  
  ##____________________________________________________________________________||
  
new_contents: import AlphaTwirl
  import unittest
  
  ##____________________________________________________________________________||
  # How to run test
  # at the directory two up (under AlphaTwirl/)
  #
  # to run all tests in this file
  # $ python -m unittest tests.examples.test_test_example
  #
  # to run a particular test in this file
  # $ python -m unittest tests.examples.test_test_example.TestExample1
  #
  # to run all tests in all files
  # $ python -m unittest discover
  
  ##____________________________________________________________________________||
  class TestExample1(unittest.TestCase):
      def test_example(self):
          pass
      pass
  
  ##____________________________________________________________________________||
  class TestExample2(unittest.TestCase):
      def test_example(self):
          pass
      pass
  
  ##____________________________________________________________________________||
  
subject: change a word in comments in test_test_example.py