update: 1 person at the festival unfortunately died of a drug overdose, and by talking to some old friends that I met, they also were sold a bad batch of "mdma"
It sort of made me regret not bringing a test kit, but at the same time, all I told them was to check out bluelight and PLEASE make sure to buy a test kit in the future.
Great vibes all throughout, never saw a single fight, everyone was smiling and super friendly -- but still, I don't think I will bring a test kit in the future. Cliffy78 brings up some good points that (regrettably) could occur if I were to bring one.