If you’re going to build a website or app you need to face facts: it’s going to have bugs.  Bugs have existed in software since Grace Murray Hopper found her punch card program failed because a moth got trapped in the reader.   Bugs are a fact of software life, because humans are fallible. We make mistakes, we misunderstand specs, we write algorithms incorrectly, or we use the wrong variable.  We believe that instead of trying to write perfect code, we should spend as much time trying to write a good trap.  Testing, therefore, is the saviour of poorly-written code. Approaches…