test renaming overhaul: step 4 client tests

tests/html/xml_document_tests.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 void testXMLDocument() {
   XMLDocument makeDocument() => new XMLDocument.xml("<xml><foo/><bar/></xml>");
 
   group('constructor', () {
     test('with a well-formed document', () {
       final doc = makeDocument();
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     test('manifest', () => Expect.equals('', makeDocument().manifest));
   });
 
   test('unsupported operations', () {
     expectUnsupported(() { makeDocument().body = new XMLElement.tag('xml'); });
     expectUnsupported(() => makeDocument().cookie);
     expectUnsupported(() { makeDocument().cookie = 'foo'; });
     expectUnsupported(() { makeDocument().manifest = 'foo'; });
   });
 }