test renaming overhaul: step 4 client tests

tests/html/request_animation_frame_test.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.
 
 #library('RequestAnimationFrameTest');
-#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');
 
 main() {
   useHtmlConfiguration();
 
   asyncTest('oneShot', 1, () {
       var frame = window.requestAnimationFrame(
           (timestamp) { callbackDone(); });
     });
 
   asyncTest('twoShot', 1, () {
       var frame = window.requestAnimationFrame(
           (timestamp1) {
             window.requestAnimationFrame(
                 (timestamp2) {
                   // Not monotonic on Safari and IE.
                   // Expect.isTrue(timestamp2 > timestamp1, 'timestamps ordered');
                   callbackDone();
                 });
           });
     });
 }