anchor.diff:          self.assertEqual(res, 3)
   ----
   
  -And the output is now : 
  +The output is now : 
   
   ----
   ======================================================================
  
positive.code: 
  FAILED (failures=1)
  Process finished with exit code 0
  ----
negative.code: OK
  ----
  
  ===== What happens if the test fails : 
  
  [source, python]
  ----
  