old_contents: import unittest
  
  class InequalityTest(unittest.TestCase):
  
      def test_equal(self):
          self.assertNotEqual(1, 3-2)
  
      def test_not_equal(self):
          self.assertEqual(2, 3-2)
  
  if __name__ == '__main__':
  unittest.main()
  
new_contents: import unittest
  
  
  class OutcomesTest(unittest.TestCase):
  
      def test_pass(self):
          self.assertTrue(True)
  
      def test_fail(self):
          self.assertTrue(False)
  
      def test_error(self):
      raise RuntimeError('Test error!')
  
  class InequalityTest(unittest.TestCase):
  
      def test_equal(self):
          self.assertNotEqual(1, 3-2)
      # insert new stuff here
      def test_not_equal(self):
          self.assertEqual(2, 3-2)
  
  if __name__ == '__main__':
  unittest.main()
  
subject: fix new test file test