new_contents: import unittest
  from utils import get_message
  
  class GetMessageUnitTests(unittest.TestCase):
      def test_get_message_is_callable(self):
          self.assertTrue(callable(get_message))
  
  
  if __name__ == '__main__':
      suite = unittest.defaultTestLoader.loadTestsFromTestCase(GetMessageUnitTests)
      unittest.TextTestRunner(verbosity=2).run(suite)
  
subject: Add get message unit tests