This insanity test is slighty better though it's only for personality disorders:
http://www.med.nyu.edu/psych/screens/pds.html

A little description of each disorder taken from another site:
Paranoid Personality Disorder - individual generally tends to interpret the actions of others as threatening.

Schizoid Personality Disorder - individual generally detached from social relationships, and shows a narrow range of emotional expression in various social settings.

Schizotypal Personality Disorder - individual is uncomfortable in close relationships, has thought or perceptual distortions, and peculiarities of behavior.

Antisocial Personality Disorder - individual shows a pervasive disregard for, and violation of, the rights of others.

Borderline Personality Disorder - individual shows a generalized pattern of instability in interpersonal relationships, self-image, and observable emotions, and significant impulsiveness.

Histrionic Personality Disorder - individual often displays excessive emotionality and attention seeking in various contexts. They tend to overreact to other people, and are often perceived as shallow and self-centered.

Narcissistic Personality Disorder - individual has a grandiose view of themselves, a need for admiration, and a lack of empathy that begins by early adulthood and is present in various situations. These individuals are very demanding in their relationships.

Avoidant Personality Disorder - individual is socially inhibited, feels inadequate, and is oversensitive to criticism

Dependent Personality Disorder - individual shows an extreme need to be taken care of that leads to fears of separation, and passive and clinging behavior.

Obsessive-Compulsive Personality Disorder - individual is preoccupied with orderliness, perfectionism, and control at the expense of flexibility, openness, and efficiency.