old_contents: import unittest
  
  from packages.aiml.brain import Brain
  
  
  class BrainTest(unittest.TestCase):
  
      def test_memory(self):
  
          b = Brain()
          response = b.respond("TEST")
          self.assertEqual(str(response), 'TEST')
  
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: import unittest
  
  from packages.aiml.brain import Brain
  
  
  class BrainTest(unittest.TestCase):
  
      def test_memory(self):
  
          b = Brain()
          response = b.respond("What are you")
          self.assertEqual(str(response), "I'm a bot, silly!")
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: fix tests