I had taken the test before I started my MBA program. In fact, the business school arranged it for MBA students. The test had given me an in depth and accurate evaluation.
Personally I think it is worthwhile. It might serve as a good reference for you before deciding which major you want to do for your MBA.
Visit the site and check it out.
They charge USD95.00 for the service.
I hope this tool helps.
All the best to everyone.
Note: If you are interested of the report. You can request to have a glance of mine.