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[–] TheGuyWithFace 0 points 1 point (+1|-0) ago 

Also, I find unit tests very useful for learning about the system I'm working with when I'm first coming onto a project. It's still tedious, but not as much so because I'm learning about how everything fits together as I write my test. Once I'm done I feel a lot more confident about modifying other parts of the codebase and working on bigger tasks.