test renaming overhaul: step 4 client tests

tests/html/element_test.dart

 // Copyright (c) 2011, 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.
 
 #library('ElementTest');
-#import('../../../../lib/unittest/unittest.dart');
-#import('../../../../lib/unittest/html_config.dart');
+#import('../../lib/unittest/unittest.dart');
+#import('../../lib/unittest/html_config.dart');
 #import('dart:html');
 
 expectLargeRect(ClientRect rect) {
   Expect.equals(rect.top, 0);
   Expect.equals(rect.left, 0);
   Expect.isTrue(rect.width > 100);
   Expect.isTrue(rect.height > 100);
   Expect.equals(rect.bottom, rect.top + rect.height);
   Expect.equals(rect.right, rect.left + rect.width);
 }
@@ skipping 872 matching lines @@
           classes.intersection(['foo', 'qux', 'baz']));
     });
 
     test('clear', () {
       final classes = makeClassSet();
       classes.clear();
       Expect.setEquals([], classes);
     });
   });
 }