Optical illusion personality tests, popular on social media, can reveal traits about one's work ethic. Seeing a human hand first suggests you are hardworking but need to relax more; seeing a fork first indicates you are a procrastinator with potential for success if you overcome procrastination, says Mia Yillin.Optical illusion personality tests, popular on social media, can reveal traits about one's work ethic. Seeing a human hand first suggests you are hardworking but need to relax more; seeing a fork first indicates you are a procrastinator with potential for success if you overcome procrastination, says Mia Yillin.