testUidNotUndefinedOnReusedElement() {
    const div = dom.createElement(TagName.DIV);
    document.body.appendChild(div);
    div.innerHTML = '<form id="form"></form>';
    const span = dom.getElementsByTagName(TagName.FORM, div)[0];
    goog.getUid(span);

    div.innerHTML = '<form id="form"></form>';
    const span2 = dom.getElementsByTagName(TagName.FORM, div)[0];
    assertNotUndefined(goog.getUid(span2));
  }
Tests against Chrome bug where the re-created element will have the uid
property set but undefined. See bug 1252508.