You prefer to wait until you start the job to release the shit storm of personality issues?
No, a good interviewer should be able to isolate most personality issues.
These tests only serve two purposes, neither of which is legitimate:
1) The employer says that only certain "personalities" can succeed and hire only those candidates that score in a certain fashion. Financial companies and sales companies use this quite often. They reason that if most of their 'successful' sales people score a certain way they will only hire future applicants that score that same way. Depending on their desired score "traits" they effectively eliminate up to 95% of the applicant pool for a stupid 'correlation, not causation' reason.
2) The employer wants an employee to take a test so they can "better understand" the employee. Only a truly enlightened and effective manger will be able to use the results effectively. Since most managers are neither enlightened nor effective what usually ends up happening is as soon as the manager gets the results they start making assumptions, pigeonholing people, and in the worst instances refusing to deal with people they are "incompatible" with.
Using pre- or post-employment personality screening is, in most cases, no more effective than basing hiring decisions on Zodiac sign and horoscope.