old_contents: import unittest
  
  
  class ExampleTest(unittest.TestCase):
      def test_xample(self):
          self.assertEqual(1, 1)
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: import unittest
  
  
  class ExampleTest(unittest.TestCase):
      def test_example(self):
          self.assertEqual(1, 1)
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Fix typo in method name