Dunno why your comment is downvoted, this is a valuable testing strategy. Taking screenshots as an automated tool walks through your GUI is a great way to find

Dunno why your comment is downvoted, this is a valuable testing strategy. Taking screenshots as an automated tool walks through your GUI is a great way to find regressions without writing tests for every last pixel. And you can run something like this on it's own or bolted onto existing test cases.