Read-only
- Change a content in the editor.
- Turn on read-only mode by clicking the button above the editor.
- Check if undo/redo (by shortcuts) is disabled.
- Check if modifying content is blocked (input, delete, paste) for collapsed and non-collapsed selection.
- Check if toolbar buttons are disabled.
- Check if toolbar buttons reflect selection attributes (eg. when selection is in bold text then bold button should be on).
- Check if link balloon panel opens in read-only mode.
- Check if image text alternative balloon opens in read-only mode.