More tests. Tests added for .remove() and .open(). Created stubs all tests left.
More tests. Tests added for .remove() and .open(). Created stubs all tests left.

chenhengjie123/EpicEditor,Mignet/EpicEditor,Mignet/EpicEditor,codePile-Commit/EpicEditor,hacksalot/EpicEditor,devlinjd/EpicEditor,cesarmarinhorj/EpicEditor,chenhengjie123/EpicEditor,OscarGodson/EpicEditor,hacksalot/EpicEditor,codePile-Commit/EpicEditor,devlinjd/EpicEditor,OscarGodson/EpicEditor,cesarmarinhorj/EpicEditor