#parsed');
          let moduleA = customElements.get('module-a');
          assert.instanceOf(el, moduleA);
          assertComputed(el, '5px');
          assertComputed(el.shadowRoot.querySelector('module-a-sub'), '2px');
        });
        test('dynamic elements upgrade', function () {
          let el = document.createElement('module-a');
          document.body.appendChild(el);
          let moduleA = customElements.get('module-a');
          assert.instanceOf(el, moduleA);
          assertComputed(el