Delete js-test-post.js.

LayoutTests/fast/dom/Range/surroundContents-for-detached-node.html

 <div id="container">
 <p id="description"></p>
 <div id="sample">0123456789</div>
 </div>
 <div id="console"></div>
 <script src="../../js/resources/js-test-pre.js"></script>
 <script>
 description('Range.surroundContents() should not throw exception for detached node.');
 function $(id) { return document.getElementById(id); }
 
 function surroundContents(node) {
     var range = document.createRange();
     range.setStart(node.firstChild, 2);
     range.setEnd(node.firstChild, 6);
     var newNode = document.createElement('b');
     range.surroundContents(newNode);
     return newNode.outerHTML;
 }
 
 var sample = $('sample');
 var expected = '<b>' + sample.firstChild.textContent.substring(2, 6) + '</b>';
 shouldBeEqualToString('surroundContents(sample.cloneNode(true))', expected);
 sample.parentNode.removeChild(sample);
 shouldBeEqualToString('surroundContents(sample)', expected);
 
 if (window.testRunner)
     $('container').outerHTML = '';
 </script>
-<script src="../../js/resources/js-test-post.js"></script>