Sounds a little excessive.
In PNG, the usual procedure is to sit an air legislation exam thats twenty years out of date, then pay a substantial bribe to the licensing clerk (he'll offer advice if you're unsure of the details) to pass you, because you missed by just two marks (tsk, tsk, sorry tru).
Why do they call it third world?
Because there's no such thing as fourth world.
But thats probably no help to you.
If you're truely up to speed by some country's CPL standard, then I imagine 4 or 5 hours familiarisation flying to get used to Oz's peculiar way of doing things should stand you in good stead for the flight test.