call(el, content);
      ShadyDOM.nativeMethods.removeChild.call(el, srLast);
      assert.equal(ShadyDOM.nativeTree.childNodes(el).length, 0);
    });

    test('querySelector/querySelectorAll', function() {
      let srFirst = el.shadowRoot.firstChild;
      let srLast = el.shadowRoot.lastChild;
      let content = el.firstChild;
      assert.equal(ShadyDOM.nativeMethods.querySelector.call(el, 'div'), srFirst);
      let qsa = ShadyDOM.nativeMethods.querySelectorAll.call(el, '*');
      qsa = Array.protot