I passed the G Exit test at Eglinton/Dixie and the route is still as described. Mine was cut short after the highway portion because I did so well.
From my experience, the key is to be confident and get lots of highway practice. They're going to ask you how many days out of the last 90 you've driven on the highway and how many km's each day.
I wasn't even asked to parallel or reverse park, just roadside stop and 3 point turn. You can lie about your highway experience, but they do this for a living; they can tell if you're lying.
Also, with practice comes relaxation and less stress and you want to give the examiner a sense of calmness, like this is something you do everyday
Good luck everyone and get lots of practice.