eturn d;
						},

						function ariaRolesAndAttributes(){
							var d = new doh.Deferred(),
									button = registry.byId("local");

							doh.is("combobox", button._popupStateNode.getAttribute("role"), "button _popupStateNode role");
							doh.t(button._popupStateNode.getAttribute("aria-haspopup"), "aria-haspopup on button");
							doh.f(button._popupStateNode.getAttribute("aria-expanded"), "initially missing aria-expanded");
							doh.f(button._popupStateNode.getAttribute("aria-owns"), "initally 