ll items", function() {
				var grid = document.querySelector("#testgrid");
				grid.setAllSelections(true);
				grid.data.every(function(item){ return item.selected === true; }).should.equal(true);
			});

			it("should support sorting", function(done) {
				var grid = document.querySelector('#testgrid3');
				grid.sortBy('foo', 1);

				flush(function() {
					//should have an up arrow
					var asc = grid.$.viewport.$.header.querySelector('strand-icon.asc');
					should.exist(asc);

					grid.sortBy('foo'