do you mean the written test for the permit? or the road test for your license?
for the written, you pretty much need to know everything in the drivers manual. if youre talking about the road test, they are just trying to see if you are comfortable on the road or not. they want to see if you can follow the rules of the road(ie. lane arrows, stop signs, right of way, etc) without them saying anything. if you know where you will be taking your test, practice driving around that area a lot so you are familiar with the road and where all the lanes turn. lane arrows are very inportant so make sure you follow them because the driving instructor will try to trick you.