Optical illusion personality tests are interesting images with multiple objects layered into one another that trick the brain and eyes into believing what a person sees first, based on their perspective.We look at an image, and the brain locks onto one shape before anything else, and this split-second reaction claims to say something about our personality.This optical illusion personality traits claim to reveal your hidden side, especially how you tend to show up in a relationship.But before you try to look for answers, try to take the test yourself first.Here, take the challenge.So, what did you spot first?