Probably most of us seen or came to a project where there was no tests or there was very few of them. On the other hand there is another big fraction of software (quality) engineers struggling with test suites that last for hours. In both situations the main question we should ask is “how many tests should we really have?”. This is not that easy question to answer. First of all we need to realize why exactly do we need automated tests… Basically there are three main reason to automate testing effort: The project we are working on is living. This is very important one. There is no need to inve ..read more