e, shadowRoots:
          [shadowRoot]}),correctHtml);
      assert_equals(wrapper.getHTML({shadowRoots: [shadowRoot]}),correctHtml);
    } else {
      // For non-shadow hosts, getHTML() should also match .innerHTML
      assert_equals(wrapper.getHTML({serializableShadowRoots: true}),wrapper.innerHTML);
    }

    // Either way, make sure getHTML({serializableShadowRoots: false}) matches .innerHTML
    assert_equals(wrapper.getHTML({serializableShadowRoots: false}),wrapper.innerHTML,
        'getHTML() wit