I don't agree with this at all as the tests at least say what the code does in its current state. I see that as incredibly useful. It also forces you to think

I don't agree with this at all as the tests at least say what the code does in its current state. I see that as incredibly useful. It also forces you to think about what it's actually doing as you build it. I get the OP's forest-for-the-trees thing, but I still find incredible value in testing things - even my side projects.