Given Eitaro Fukamachi's incredible track record of great lisp libraries, his new "Rove" (successor to "Prove") looks like the best direction, even though it's in beta. https://www.slideshare.net/fukamachi/rove-testing-is-a-pity-in-common-lisp

https://github.com/fukamachi/rove

Is anyone using it or using something else that you think is the best option?