> I think a better approach is to determine on a case-by-case basis if a test is useful for whatever you're working on and developing a sense for that is part o

> I think a better approach is to determine on a case-by-case basis if a test is useful for whatever you're working on and developing a sense for that is part of becoming a better software developer. Do you have any hard evidence that this is actually a skill that some people have and others don't? How do you even measure it to verify? I'm genuinely curious -- I've been thinking in these terms myself recently, too, but my literature search came up empty.