Imo the value of unit tests is partially a record for others to see "hey look, this thing has a lot of it's bases covered". Especially if you're building a com

Imo the value of unit tests is partially a record for others to see "hey look, this thing has a lot of it's bases covered". Especially if you're building a component that is intended to be reused all over the place, would anyone have confidence in reusing it if it wasn't at least tested in isolation?