=== Test editable before editing frame loaded ===
 1. Clear/Disable the browser's cache under testing and reload the page.
 1. Click inside the editor document before the image show up.
=== Expected Result ===
 1. Editor document should not gain focus until clicking inside it.
 1. It should be able to start editing (typing and inserting).
 1. Spell-checker should not marking the first typo.
 1. It's able to start editing the image with dialog.
 1. Particularly in Firefox, clicking inside the table at the bottom of page should not show table tools.
 1. Particularly in IE, selecting the textarea control and press 'BackSpace' should delete it.
 1. Particularly in Safari, clicking on textarea control should not able to editing the value of it.