I tend to agree with you, although I'd say most of the tests are pretty "high quality" (for the most part they don't rely on global state and they run in parall

I tend to agree with you, although I'd say most of the tests are pretty "high quality" (for the most part they don't rely on global state and they run in parallel, randomized order). You pretty much perfectly described our current situation. There is a push to crystallize everything down to the last function. It's not uncommon to have one change result in hundreds of test failures.