Donīt worry!
Hello guys,
I did the Ryanair assesment last december and I passed. They give you the departure and approach plates at least 3 hours before your sim, and I can guaranty you that you have time enough to prepare them. I think itīs useless to waste time trying to find out wich departuere itīs going to be. I think itīs much more important to know by heart how to join a holding, get on outbound radial passed the station... etcetcetc
So my advice: Study ATPL topics, study your current aircraft, and if possible get a coumple of simulator sessions.
Good luck to everybody!