Just took the test yesterday. You have to agree not to disclose content so I wont, however I can comment on the difficulty of the test.
I had taken the questions on Garry's site as well as 9 practice exams from a book I purchased. In my practice exams I typically saw 2 out of 24 questions I was unfamiliar with, on Garry's site I think there were around 7 I didn't know. I knew all the answers on the actual test.
In short, don't be concerned that the test will be more difficult than practice exams, in my case it was easier.