Fixed test that didn't work on Mac Safari.
Fixed test that didn't work on Mac Safari.

bsuh/tinymce,jtark/tinymce,howanghk/tinymce,Kindling/tinymce,sachgits/tinymce,MediehusetTek/tinymce,simachewh/tinymce,tinymce/tinymce,ETSI-CTI/TinySpecMCE,fillabs/TinySpecMCE,danchr/tinymce,pmpl-5/tinymce,adaptiffdesigns/tinymce,Razzwan/tinymce,jtark/tinymce,danchr/tinymce,rednose-public/tinymce,tinymce/tinymce,leofeyer/tinymce,sachgits/tinymce,FernCreek/tinymce,rbecheras/tinymce,FernCreek/tinymce,jashua212/tinymce,henrythewasp/tinymce,fashionsun/tinymce,adaptiffdesigns/tinymce,howanghk/tinymce,Zimbra/tinymce,simachewh/tinymce,nbcp/tinymce,TeamupCom/tinymce,jashua212/tinymce,1099511627776/tinymce,fillabs/TinySpecMCE,dziemian007/tinymce,pmpl-5/tinymce,VioletLife/tinymce,ikuchmin/tinymce,shilpi230/tinymce,rbecheras/tinymce,MediehusetTek/tinymce,FernCreek/tinymce,Kindling/tinymce,bsuh/tinymce,ETSI-CTI/TinySpecMCE,sjbufton/tinymce,aduth/tinymce,support-dot-com/tinymce,VioletLife/tinymce,1099511627776/tinymce,fhchina/tinymce,kencheung/tinymce,tinymce/tinymce,blakewallan/tinymce,nbcp/tinymce,enfold/tinymce,ChristophKaser/tinymce,kencheung/tinymce,ice8lue/tinymce,gencer/tinymce,fashionsun/tinymce,rednose-public/tinymce,leofeyer/tinymce,danielpunkass/tinymce,gencer/tinymce,M4R7iNP/tinymce,Shopify/tinymce,ikuchmin/tinymce,Razzwan/tinymce,ChristophKaser/tinymce,shilpi230/tinymce,gabixdev/tinymce,sjbufton/tinymce,endjin/tinymce,TeamupCom/tinymce,danielpunkass/tinymce,aduth/tinymce,M4R7iNP/tinymce,nikolas/tinymce,blakewallan/tinymce,henrythewasp/tinymce,enfold/tinymce,nikolas/tinymce,rxl194/tinymce,dziemian007/tinymce,endjin/tinymce,fhchina/tinymce,support-dot-com/tinymce,ice8lue/tinymce,rxl194/tinymce,gabixdev/tinymce,danielpunkass/tinymce,Zimbra/tinymce