I have stopped by the review page on StackOverflow a few times, and noticed that they give test questions and answers for the reviewer to catch - typically flag - correctly.
This particular one was in the Late Answer review queue:
Obviously, it is a post worthy of a moderator flag. I saw that and clicked to flag it, but then was told that I passed the test.
I think this is a really nice feature: would it be possible to have on AskDifferent as well, or have I just never been tested for some reason?