1. Click "Init editor".
2. Expected:

• The toolbar container should get the toolbar.
• The toolbar should appear with "Heading", "Bold", "Italic", "Undo" and "Redo" buttons.
• The yellow element should become an editable.

3. Do some editing and formatting.
4. Click "Destroy editor".
5. Expected:

• Editor should be destroyed.
• The toolbar should disappear from the container.
• The editable must remain.
• The editable must retain the editor data.
• 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.