How do you test multiple API payloads and edge cases?
I’m building a mobile app and need to reliably test different API payloads and failure scenarios. Ideally, I want to switch between payload variations on the fly and immediately see how the UI reacts. I’ve used Charles and some in-code mocks, but these approaches don’t scale well for dozens of repeatable scenarios.How do you typically handle this? Mock servers, custom tooling, contract tests,...