What KKOB states is correct! But if it is anything like here in Dalaman were the test are done every 2 weeks, you will need to park your bike in the Que 2 days before as they only test 32 vehicles! But you will then need to be at the test station at 8am on the test day and check that your bike has not been moved down the Que by some toerag.
Tell your friends to make sure that the lights on the motorbike are fully functional, as this is the main part of the MOT. The cost is about sixty three lira, providing that you have no outstanding fines for any outstanding tax.