.appendChild(document.createElement('slot'));
        }

        test('observeChildren on element without shadowRoot', function () {
          var d = document.createElement('div');
          var recorded = [];
          function handler(info) {
            recorded = info;
          }
          var observer = ShadyDOM.observeChildren(d, handler);
          var child1 = document.createElement('div');
          ShadyDOM.wrap(d).appendChild(child1);
          handler(observer.takeRecords());
          assert.