Added test for the case where the font fails to load and the Webkit bug is present.
Added test for the case where the font fails to load and the Webkit bug is present.

zeixcom/webfontloader,joelrich/webfontloader,omo/webfontloader,kevinrodbe/webfontloader,JBusch/webfontloader,armandocanals/webfontloader,ramghaju/webfontloader,omo/webfontloader,JBusch/webfontloader,sapics/webfontloader,ahmadruhaifi/webfontloader,kevinrodbe/webfontloader,Monotype/webfontloader,joelrich/webfontloader,ramghaju/webfontloader,digideskio/webfontloader,Monotype/webfontloader,typekit/webfontloader,sapics/webfontloader,omo/webfontloader,typekit/webfontloader,mettjus/webfontloader,ramghaju/webfontloader,zeixcom/webfontloader,joelrich/webfontloader,exsodus3249/webfontloader,armandocanals/webfontloader,mettjus/webfontloader,Monotype/webfontloader,sapics/webfontloader,armandocanals/webfontloader,ahmadruhaifi/webfontloader,digideskio/webfontloader,typekit/webfontloader,kevinrodbe/webfontloader,mettjus/webfontloader,ahmadruhaifi/webfontloader,exsodus3249/webfontloader,JBusch/webfontloader,exsodus3249/webfontloader,zeixcom/webfontloader,digideskio/webfontloader