Added tests for setMode.
Added tests for setMode.

nbcp/tinymce,gencer/tinymce,tinymce/tinymce,jashua212/tinymce,rednose-public/tinymce,fillabs/TinySpecMCE,fillabs/TinySpecMCE,ikuchmin/tinymce,jtark/tinymce,gencer/tinymce,jtark/tinymce,MediehusetTek/tinymce,rednose-public/tinymce,sjbufton/tinymce,henrythewasp/tinymce,ikuchmin/tinymce,leofeyer/tinymce,blakewallan/tinymce,aduth/tinymce,FernCreek/tinymce,jashua212/tinymce,danielpunkass/tinymce,tinymce/tinymce,danielpunkass/tinymce,TeamupCom/tinymce,blakewallan/tinymce,aduth/tinymce,adaptiffdesigns/tinymce,FernCreek/tinymce,TeamupCom/tinymce,ETSI-CTI/TinySpecMCE,MediehusetTek/tinymce,1099511627776/tinymce,1099511627776/tinymce,ETSI-CTI/TinySpecMCE,leofeyer/tinymce,danielpunkass/tinymce,sjbufton/tinymce,rbecheras/tinymce,tinymce/tinymce,adaptiffdesigns/tinymce,nbcp/tinymce,rbecheras/tinymce,henrythewasp/tinymce,FernCreek/tinymce