Can you tell us how you are using it and where and what error you get?
The unit tests seem to run ok, and the first FacadeTest method checks getInstance(), and asserts that it got back an IFacade instance.
http://trac.puremvc.org/PureMVC_Haxe_MultiCore_UnitTests/browser/tags/UnitTests_1_0/src/org/puremvc/haxe/multicore/patterns/facade/FacadeTest.hx-=Cliff>