I'm not sure if this message (the pass message) always existed, or was implemented recently; I reviewed over 900 suggested edits without seeing this message, then saw 2 in the last 50 reviews. (I feel I've been consistent in my reviewing; does someone or something now disagree? But I've never received, much less failed, an audit. So is it chance?)
In any case, I wondered how others felt about this "You passed a test!" message. Personally, I'd only like to know when I fail. For me, despite that I passed, knowing I was being tested leaves a bad taste in my mouth. Am I alone in feeling a bit unenthused being told I was being tested?
Maybe I'd welcome the message if I actually did something worth being commended for, like catching a really, really sneaky Easter egg in a Late Answers review. But the two Suggested Edits tests I encountered were blatant cases of vandalism—addition of nonsense words—so what am I being congratulated for? Is it an attempt to say without actually saying, "Hey, good job; yep, we're watching you ;)"? But if someone's doing a fine job, do they really need this "encouragement"?