Add unit tests for FranceAlsaceMoselle calendar
Add unit tests for FranceAlsaceMoselle calendar

jaraco/calendra,ChrisStevens/workalendar,novapost/workalendar,novafloss/workalendar,sayoun/workalendar,sirk390/workalendar,gregn610/workalendar,shinriyo/workalendar