Your question is Develop Test Plans and Test Cases. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You are supporting delivery of a business-critical platform change and need to make sure testing is structured before execution begins. The team has agreed on the business requirements, but there are multiple stakeholder expectations around what must be validated, what can be deferred, and how much evidence is needed before release.
What is your approach to developing test plans and test cases?