This answer is deleted [sic].
This was an audit, designed to see if you were paying attention. You didn't pass. This answer was of very poor quality, and needed significant improvements to be useful – passing over such posts hurts the ability of others to find and answer good questions. Please try to fix such posts by editing, downvoting, closing, or flagging as "very low quality".
This test is obviously broken, if it is informing the answer has been deleted, no one will follow links or flag it.
This has been reported several times before. Unfortunately, I haven't been able to reproduce it reliably.
If you can figure out how to reproduce this without opening the editor in a new tab/window, please share what you learned.