A real test has four properties.
Grounded in your actual buyers, not invented personas. Adversarial, hundreds of agents across designed states. Deterministic, so a fix is a fix, not model drift. And graded, so every call is marked HIT or MISS against what really happened.
Check us on itTwelve questions that test all four properties. Ask them of every vendor, us included. Three rows we lose are on the list.