Reviews are fairly common but unit tests not so much, in my experience. CI is commonplace in all but the smallest studios, and automated testing (such as runnin

Reviews are fairly common but unit tests not so much, in my experience. CI is commonplace in all but the smallest studios, and automated testing (such as running the game after building and performing checks) is quite common; some productions use bots to simulate players. It varies by company and project and also the stage of development. Avalanche sounds particularly chaotic though.