We called this the “receptionist” test decades ago at the small company I was at - after we though we were done we’d give it all to the receptionist and ask her to use it; and we’d hang our head in shame at everything we forgot and head back.
There’s a version for kids to show the details of how to program by literally interpreting steps. https://youtube.com/watch?v=n4rh2jD8OkY