_Have you ever wanted to test one small API change, but ended up spending more time setting up the environment than actually testing it? _ Maybe you want an API to return a 500 . Maybe you want to change one field in a response. Maybe you want to redirect a request to staging. Or maybe you just want to see what happens when an API takes 3 seconds to respond. Usually, you end up changing backend code, creating temporary mocks, deploying something to staging, or setting up a proxy a...