I do remember when students thought they were going to graduate; but found out they always needed one more course to do so near the end. Sounds like a new way for with schools to scam with a political twist against religion.
After much web searching, my earlier guess of the course being comparative religions was correct. Leftist don’t have a problem with that as they can sell the more flavor of the moment socialist friendly ones and play up the shortcomings of others.
Sweden Reinforces Ban on Religious Schools
http://scienceblogs.com/aardvarchaeology/2007/10/16/sweden-reinforces-ban-on-relig/