Why are tests used?
Tests are used to help recruiters eliminate human bias and prejudice and instead assess all candidates on equal terms. When you are asked to take tests early in the recruitment process, i.e. before you are called for an interview, you know that you have the same chance of moving forward regardless of your appearance, age or educational background compared to the other candidates.
It is important to note that there is no right or wrong in the tests. The goal is simply to find out who you are and what type of role you would thrive in and be your best self.