This is exactly right. I write unittests first and foremost to gain confidence this shit won't blow up on me on prod. I also take extra care of them because it'

This is exactly right. I write unittests first and foremost to gain confidence this shit won't blow up on me on prod. I also take extra care of them because it's by far the best documentation of the code. To me these are good enough reasons to write extra potentially unnecessary tests.