Fix image test bug
Fix image test bug

fillabs/TinySpecMCE,tinymce/tinymce,MediehusetTek/tinymce,danielpunkass/tinymce,leofeyer/tinymce,leofeyer/tinymce,adaptiffdesigns/tinymce,aduth/tinymce,MediehusetTek/tinymce,gencer/tinymce,FernCreek/tinymce,danielpunkass/tinymce,jtark/tinymce,TeamupCom/tinymce,ETSI-CTI/TinySpecMCE,TeamupCom/tinymce,adaptiffdesigns/tinymce,fillabs/TinySpecMCE,gencer/tinymce,blakewallan/tinymce,jtark/tinymce,tinymce/tinymce,FernCreek/tinymce,blakewallan/tinymce,FernCreek/tinymce,danielpunkass/tinymce,tinymce/tinymce,aduth/tinymce,ETSI-CTI/TinySpecMCE