Format all tests.

tests/isolate/checked_test.dart

 // Copyright (c) 2014, 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:isolate";
 import "dart:async";
 import "package:expect/expect.dart";
 import "package:async_helper/async_helper.dart";
 
 void main([args, message]) {
   if (message != null) return isolateMain(message);
 
   bool isChecked = false;
   assert((isChecked = true));
-  if (isChecked) return;  // Skip this test in checked mode.
+  if (isChecked) return; // Skip this test in checked mode.
 
   var responses = {};
   var port = new RawReceivePort();
   port.handler = (pair) {
     responses[pair[0]] = pair[1];
     if (responses.length == 3) {
       port.close();
       Expect.isTrue(responses[true], "true @ $isChecked");
       Expect.isTrue(responses[false], "false @ $isChecked");
       Expect.isTrue(responses[null], "null @ $isChecked");
     }
   };
   test(checked) {
-    Isolate.spawnUri(Uri.parse("checked_test.dart"), [],
-                     [checked, isChecked, port.sendPort],
-                     checked: checked);
+    Isolate.spawnUri(
+        Uri.parse("checked_test.dart"), [], [checked, isChecked, port.sendPort],
+        checked: checked);
   }
+
   test(true);
   test(false);
   test(null);
 }
 
-
 void isolateMain(args) {
   var checkedFlag = args[0];
   var parentIsChecked = args[1];
   var responsePort = args[2];
   bool isChecked = false;
   assert((isChecked = true));
   bool expected = checkedFlag;
   if (checkedFlag == null) expected = parentIsChecked;
   responsePort.send([checkedFlag, expected == isChecked]);
 }