> But once your code has been written, are all those unit tests still useful? The reason for this question is the naming mistake that was made in the beginning

> But once your code has been written, are all those unit tests still useful? The reason for this question is the naming mistake that was made in the beginning. They are not TESTS, they are SPECIFICATIONS. Once your code has been written, are the specifications still useful? Well, duh... unless the business has changed them then yes, they're still useful.