Absolutes and exaggerated conclusions are no good. As long as a test ensure we do not introduce old bugs (regression) and help me refactor to the point where th

Absolutes and exaggerated conclusions are no good. As long as a test ensure we do not introduce old bugs (regression) and help me refactor to the point where the time spend writing and maintaining the test is less than I save, then it's golden. I just never had a need to test a private method - I do have to deliever a working piece of code, and unit- and integration tests help me knowing I have met the spec.