Converted Observatory cpu-profile element

runtime/observatory/tests/observatory_ui/isolate_ref/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 'package:unittest/unittest.dart';
 import 'package:observatory/src/elements/isolate_ref.dart';
 import '../mocks.dart';
 
-main(){
+main() {
   IsolateRefElement.tag.ensureRegistration();
 
   final ref = new IsolateRefMock(id: 'id', name: 'old-name');
   final events = new EventRepositoryMock();
   final obj = new IsolateMock(id: 'id', name: 'new-name');
   group('instantiation', () {
     test('IsolateRef', () {
       final e = new IsolateRefElement(ref, events);
       expect(e, isNotNull, reason: 'element correctly created');
       expect(e.isolate, equals(ref));
@@ skipping 30 matching lines @@
       await e.onRendered.first;
       expect(e.innerHtml.contains(ref.id), isTrue);
       events.add(new IsolateUpdateEventMock(isolate: obj));
       await e.onRendered.first;
       expect(e.innerHtml.contains(ref.name), isFalse);
       expect(e.innerHtml.contains(obj.name), isTrue);
       e.remove();
     });
   });
 }