Where can I take an aptidute test?

Hi I live in the state of Connecticut, I have this problem, I keep going from job to job because I have personality conflicts with co-workers, authority figures and moving from place to place hoping to find where I'm supposed to be. I figure that finding my strengths and eventually the position I would work out best at would involve taking an aptitude test, does anyone know of a quality and accurate test and where to take it in the state of CT?