We've open sourced our integration tests for our API: https://github.com/serpapi https://github.com/serpapi However we've really little unit tests. There is b

We've open sourced our integration tests for our API: https://github.com/serpapi https://github.com/serpapi However we've really little unit tests. There is balance between what tests are useful and which are not. Testing for sake of testing can be counterproductive. However in your case, it seems there is no reason to skip some form of testing or code reviews. Some companies have just bad practices.