newforms-admin: Added some tests for CheckboxInput._has_changed.
newforms-admin: Added some tests for CheckboxInput._has_changed.


git-svn-id: c4087ea691918e3c0eba276c9647095e509f30cc@7505 bcc190cf-cafb-0310-a4f2-bffc1f526a37

rawwell/django,rawwell/django,rawwell/django