@bender-tags: 4.19.1, 5144, bug, button
@bender-ui: collapsed

1. Wait for editor to fully load.
1. Check the info about `[aria-expanded]` attributes' values that is below the editor.

	**Expected** Values should reflect states of buttons' menus:

	* `true` for the open menu,
	* `false` for the closed menu.
1. Have fun with buttons in the toolbar.

	**Expected** Values should reflect states of buttons' menus.
