chromium/third_party/blink/web_tests/fast/parser/fragment-closest-form-ancestor.html

<div>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=56836">https://bugs.webkit.org/show_bug.cgi?id=56836</a>. Verify that WebKit does not ASSERT when a fragment's context element has an open form ancestor.</div>
<form>
<div id="test">
<script>
    if (window.testRunner)
        testRunner.dumpAsText();
        
    document.getElementById("test").innerHTML = "</form>";
 </script>