> The big question is: Do you need that kind of functionality? What functionality? Automated unit tests to ensure you're not shipping code that is so broken th

> The big question is: Do you need that kind of functionality? What functionality? Automated unit tests to ensure you're not shipping code that is so broken that it even breaks basic invariants? Automated integration tests that ensure you're not shipping code that fails to call other components/services? UI tests to ensure that your latest commit didn't made your prod service unusable for the end user? Performance tests that help you determine if your latest change doesn't suddenly exhaust your computational resources in peak demand?