I don’t buy this argument. Once you know there’s a bug, you will definitely want to write more tests, in order to find the cause. But always writing a lot of t

I don’t buy this argument. Once you know there’s a bug, you will definitely want to write more tests, in order to find the cause. But always writing a lot of tests, which are only usable in case you find a bug, seems like wasted effort to me. If you need to triangulate the origin, do that when it’s necessary (i.e. when your broad test fails) and not all the time.