Absolutely. Unit testing is just one gun in your automated testing arsenal. When I was working as a web dev and I saw Selenium for the first time, my jaw droppe

Absolutely. Unit testing is just one gun in your automated testing arsenal. When I was working as a web dev and I saw Selenium for the first time, my jaw dropped. I totted up all the hours I'd wasted of my life hitting refresh buttons, because "you can't run automated tests for a browser". How wrong I was! Once you get into those subjective bits, you're in new waters. I think/hope there is some research going on here, using AI-based "critics". A lot of AI uses a generate/test paradigm, where a result is generated and then tested for fitness in some manner. One could imagine that testing in some of these fuzzier fields, like graphics, would be improved by independent AI critics. I had the opportunity to head into AI, and the inability to automatically test my algorithms and say "this really works" versus "oh no, it's broken" drove me crazy. However, this uncertainty is what the AI guys loved :)