THIS. As a Quality Assurance person, this is what drives me up the wall, across the ceiling, and down the other wall. You can always do a test run. Not doing

THIS. As a Quality Assurance person, this is what drives me up the wall, across the ceiling, and down the other wall. You can always do a test run. Not doing that test run is essentially saying every person you subject to that system is not worth the trouble of doing the test.