old_contents: from pyexample import examples
  import unittest
  
  
  class TestStringMethods(unittest.TestCase):
      def test_pyexample(self):
          self.assertEqual(examples.example(), 5)
  
  if __name__ == "__main__":
      unittest.main()
  
new_contents: from pyexample import examples
  import unittest
  
  
  class TestSimplePySparkExample(unittest.TestCase):
      def test_pyexample(self):
          self.assertEqual(examples.example(), 5)
  
  if __name__ == "__main__":
      unittest.main()
  
subject: Change the class name of tests