Well, with tools like AFL (American Fuzzy Loop) it is more like rolling dice to find a path through a maze of numbered doors - adjusting the dice rolled (6-sided, 2-sided ...) based on how far one has come, and how many doors there is to choose from... ok, it's not really like rolling dice any more at all. Did you read:
I sincerely hope the lack of unit tests is because it's covered by existing tests.