Using trait tests to determine what leadership or personality style you possess can help you in your course to becoming an experienced leader. Every individual operates in their own individual way and these tests can help you to understand where you fit among the masses and how you can improve the way you lead or think, by understanding how to manipulate the style. For example, if you discover you are an audio learner then you would want to make sure that you always read books out loud. Learning these tips and tricks about yourself and others will make you a 360ª leader.
Your Leadership Legacy Leadership Style Test
Human Metrics Myers-Briggs Typology (really good! cool feature to say how you should study)
Big 5 Personality Test