I've fixed up tests that randomly failed in the past. It's definitely possible to get them to work reliably, but it does require a paranoid approach of carefull

I've fixed up tests that randomly failed in the past. It's definitely possible to get them to work reliably, but it does require a paranoid approach of carefully waiting for changes. Humorously enough though, people had never bothered to debug why the tests were failing. One reason was that a backend service crashed. It turned out that quickly deactivating users after doing things in the UI caused stuck threads that ran infinite loops. No one had ever looked at the logs.