> What are the downsides of of using a real API (e.g. dev environment) for automated testing? Slower, harder to set up state the tests need. Front end teams s

> What are the downsides of of using a real API (e.g. dev environment) for automated testing? Slower, harder to set up state the tests need. Front end teams should also be testing their code against a broken back end; eg http 500 responses.