Most professionals who use AI daily think they are good at it. Most aren't. Testly measures where you actually stand. 15 scenario-based questions. Workplace judgment, not trivia. Level 1 free, no credit card. Levels 2-4 cost 29-79 EUR, paid only if you pass. Certificate on Polygon blockchain. Permanent, verifiable, impossible to fake. 4 levels: Competent (free), Proficient, Adaptive, Strategic. No fixed answer key. You either know how to reason with AI or you don't. testly.app/individual