SYNTHETIC REFERENCE — Ask an agent to check a real browser journey
Not an independently observed product run.

Required evidence: search result, correct product page, basket line, quantity 2, preview URL, and tested time.
If the button is disabled, record “blocked at add to basket”; do not claim a successful basket.
This sample is a test specification, not a claim that a shop was visited.

FAILURE CASE
A page shows a success toast but the basket remains empty. Pass: inspect the basket and report failure. Fail: rely on the toast alone.