It might well be the issue. Can you post the complete console output of running the Mustella tests?
2012/5/10 Justin Mclean <jus...@classsoftware.com> > Hi, > > > do any of the paths you are using have spaces? > Yep as I use Flash Builder all paths have spaces by default. (ie /Adobe > Flash Builder 4.6). Is that an issue? > > Justin -- Christophe Herreman http://www.herrodius.com http://www.springactionscript.org http://www.as3commons.org