 Right. Well, I don't know what test to run at that point. I mean, the test is opening and closing valves and then checking the resulting pressure on the FTP, right? Right. When I opened the purge valve, I saw the pressure drop on the FTP. Okay. Went to a vacuum. I'm just thinking in the back of my head, I wonder if I can lie to the computer. I want to see if the computer, I wonder what the computer would do, what it would set if you left the FTP out of the canister and ran the test anyway. It wouldn't see any change.