If you want them to be able to write code and then run tests on that code, it can be a bit difficult to restrict access meaningfully....
Only for code that can’t be tested in an isolated environment, and designing code that can’t be tested in an isolated environment is generally a mistake for quite a few reasons.
Only for code that can’t be tested in an isolated environment, and designing code that can’t be tested in an isolated environment is generally a mistake for quite a few reasons.