How should test coverage for the new GCP backend differ from prior backend testing approaches?

When migrating to GCP, your backend can leverage cloud-native scalability. Therefore, your test coverage should be designed to validate this scalability, going beyond the limits of traditional on-premises testing. This ensures the application performs as expected under high load and varying conditions. Dropping unit tests is incorrect; unit tests are crucial for isolating and verifying individual components. Running tests only after production releases is a risky practice that can lead to critical issues in live environments. While GCP infrastructure components are part of the overall system, direct testing of them in every application test is generally unnecessary and inefficient, as Google manages the underlying infrastructure. Focus on testing your application's interaction with GCP services.