Answer: Tests should scale well beyond the prior approaches

The correct answer is A because the primary issue Mountkirk Games faced with their previous cloud provider was scalability, as explicitly mentioned in the case study (e.g., problems scaling global audience, application servers, MySQL databases, and analytics tools). The new testing strategy must ensure the backend can handle higher loads, which aligns with option A. Option B is incorrect as unit tests remain essential for code quality. Option C is not recommended due to the risks of testing in production. Option D is less suitable because directly testing GCP infrastructure is impractical and unnecessary; instead, testing should focus on the application's performance and scalability on GCP, which is covered under A. Community discussion supports A, with the highest upvoted comments emphasizing scalability as the key requirement and noting that D is vague or infeasible.

Author: LeetQuiz Editorial Team