Barely pass is still a step change though. Either you can be sure what's on the other end of the line or you can't, and I'd say that, while there are still test

Barely pass is still a step change though. Either you can be sure what's on the other end of the line or you can't, and I'd say that, while there are still tests that work sometimes, for a purely text based exchange there are none that will work at all times.