> From a practical point, won't it be hard to know if the app is working if you can't see e.g. a field that the reader skips? It wouldn’t be a very good test i

> From a practical point, won't it be hard to know if the app is working if you can't see e.g. a field that the reader skips? It wouldn’t be a very good test if they weren’t first provided with the expected outcome…