Selected', function() {
        assert.equal(s1.attrForSelected, null);
      });

      test('as many items as children', function() {
        assert.equal(s1.items.length, s1.querySelectorAll('div').length);
      });
    });

    suite('basic', function() {

      var s2;

      setup(function(done) {
        s2 = fixture('basic');

        s2.addEventListener('iron-items-changed', function onIronItemsChanged() {
          s2.removeEventListener('iron-items-changed', onIronItemsChanged);
          done()