There's a notice on the new (under construction) PNG CAA website, detailing changed arrangements for the conduct of flight crew licence exams. As you'll see, these arrangements are tmporary. The link to the PDF file is
the notice in PDF format.
If you're on dialup, it might take a while to open and, if it doesn't open, use this link :-
News page on the CAA website. Then look for the link "NOTICE Flight Crew Exam.pdf". It's currently the only link on the page.