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How to write a System Test Plan? Imagine for a moment you've just finished a web application for a client. Swimming around within that application is 100 bugs. What proportion of those bugs would you say is acceptable for the client to find (e.g. 50, 30, 10)? The point is, those bugs are going to be found by someone, and its either going to be you or the client. You can think of it as a sliding scale, the more bugs the client finds, the more your creditability suffers and the more damage you do to the business relationship. In the martial arts there's a saying; "expect the best, but prepare for the worst". The US Navy Seals have a slightly more gun-ho version which goes; "The more you sweat in training, the less you bleed in battle." Notice how it says the ‘ less ' you bleed in battle, implying that if you enter into combat, you are going to get bloody. Software development is like this too, if you're going to create software, you are going to ...