Format all tests.

tests/html/text_event_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 text_event_test;
+
 import "package:expect/expect.dart";
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_config.dart';
 import 'dart:html';
 
 import 'event_test.dart';
 
 main() {
   useHtmlConfiguration();
 
   eventTest('TextEvent', () => new TextEvent('foo', view: window, data: 'data'),
-      (ev) { expect(ev.data, 'data'); });
+      (ev) {
+    expect(ev.data, 'data');
+  });
 }