Acceptance Criteria
You might say
Write clear acceptance criteria for the itinerary feature: saving shows the trip, refresh keeps it, and invalid dates explain how to fix them.
Acceptance criteria are checkable conditions that determine whether a result is acceptable.For an itinerary, saving can show the trip, refresh can keep it, and an end date before the start date can explain how to correct it. This turns “mostly done” into observable results. Code coverage or framework choice alone cannot prove the user need is complete.
Also calledAC
Further reading