1. Click "Init editor". 2. Expected: * Framed editor should be created. * Original element should disappear. * There should be a toolbar with "Bold", "Italic", "Undo" and "Redo" buttons. 3. Click "Destroy editor". 4. Expected: * Editor should be destroyed. * Original element should be visible. * The element should contain its data (updated). * The 'ck-body region' should be removed. ## Notes: * You can play with: * `editable.isReadOnly`, * Changes to `editable.isFocused` should be logged to the console. * Features should work.