st('moving a custom element between scopes recalculates correctly', function (done) {
          makeElement('out-of-band');
          makeElement('oob-parent');
          makeElement('oob-other-parent');
          let parent = document.querySelector('oob-parent');
          let newParent = document.querySelector('oob-other-parent');
          let oob = parent.shadowRoot.querySelector('out-of-band');
          let shadowDiv = oob.shadowRoot.querySelector('div');
          newParent.shadowRoot.appendChild(oob