Remove Attr child nodes (making Attr a Node, not a ContainerNode)

LayoutTests/dom/xhtml/level3/core/documentadoptnode01.js

 /*
 Copyright © 2001-2004 World Wide Web Consortium,
 (Massachusetts Institute of Technology, European Research Consortium
 for Informatics and Mathematics, Keio University). All
 Rights Reserved. This work is distributed under the W3C® Software License [1] in the
 hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
 [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
 */
@@ skipping 71 matching lines @@
     var doc;
       var attrOwnerElem;
       var element;
       var attr;
       var childList;
       var adoptedclass;
       var attrsParent;
       var nodeName;
       var nodeType;
       var nodeValue;
-      var firstChild;
-      var firstChildValue;
-      var secondChild;
-      var secondChildType;
-      var secondChildName;
 
       var docRef = null;
       if (typeof(this.doc) != 'undefined') {
         docRef = this.doc;
       }
       doc = load(docRef, "doc", "hc_staff");
       childList = doc.getElementsByTagName("acronym");
       element = childList.item(3);
       attr = element.getAttributeNode("class");
       adoptedclass = doc.adoptNode(attr);
 
-    if(
-
-    (adoptedclass != null)
-
-    ) {
     nodeName = adoptedclass.nodeName;
 
       nodeValue = adoptedclass.nodeValue;
 
       nodeType = adoptedclass.nodeType;
 
       attrOwnerElem = adoptedclass.ownerElement;
 
       assertEquals("documentadoptode01_nodeName","class",nodeName);
        assertEquals("documentadoptNode01_nodeType",2,nodeType);
        assertNull("documentadoptnode01_ownerDoc",attrOwnerElem);
-    firstChild = adoptedclass.firstChild;
-
-      assertNotNull("firstChildNotNull",firstChild);
-firstChildValue = firstChild.nodeValue;
-
-    if(
-    ("Y" == firstChildValue)
-    ) {
-    secondChild = firstChild.nextSibling;
-
-      assertNotNull("secondChildNotNull",secondChild);
-secondChildType = secondChild.nodeType;
-
-      assertEquals("secondChildIsEntityReference",5,secondChildType);
-       secondChildName = secondChild.nodeName;
-
-      assertEquals("secondChildIsEnt1Reference","alpha",secondChildName);
-
-    }
-
-        else {
-            assertEquals("documentadoptnode01_nodeValue","Yα",nodeValue);
-
-        }
-
-    }
-
 }
 
 function runTest() {
    documentadoptnode01();
 }