Converted Observatory cpu-profile element

runtime/observatory/tests/observatory_ui/nav/refresh/element_test.dart

 // Copyright (c) 2016, 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.
+
 import 'dart:html';
 import 'dart:async';
 import 'package:unittest/unittest.dart';
 import 'package:observatory/src/elements/nav/refresh.dart';
 
 main() {
   NavRefreshElement.tag.ensureRegistration();
 
   group('instantiation', () {
     test('no parameters', () {
@@ skipping 100 matching lines @@
       sub = e.onRefresh.listen(expectAsync((_) {}, count: 0));
       e.refresh();
     });
     test('does not fires on click if disabled', () async {
       e.disabled = true;
       sub = e.onRefresh.listen(expectAsync((_) {}, count: 0));
       e.querySelector('button').click();
     });
   });
 }