Testing Casino Games

Anyone around to discuss testing games from the gambling industry? Web, Mobile, Native app?
What tools are you using, what are the challenges, solutions, references etc?

Interested in this from a regulatory viewpoint. In a previous existence, I worked for a UK sectorial regulator, and some colleagues joined the Gambling Commission. Slightly later, I had a non-testing gig which required me to go into a casino (as a third-party contractor) and I found I had to sign up for membership - perhaps the strangest perk of a job I’ve ever had!