Format all tests.

tests/isolate/issue_21398_child_isolate11.dart

 // Copyright (c) 2015, 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 "package:expect/expect.dart";
 
 class FromChildIsolate {
   String toString() => 'from child isolate';
 }
 
 main(List<String> args, message) {
   var receivePort = new ReceivePort();
   var sendPort = message;
   sendPort.send(receivePort.sendPort);
-  receivePort.listen(
-    (msg) {
-      Expect.isTrue(msg is SendPort);
-      try {
-        msg.send(new FromChildIsolate());
-      } catch(error) {
-        Expect.isTrue(error is ArgumentError);
-        msg.send("Invalid Argument(s).");
-      }
-    },
-    onError: (e) => print('$e')
-  );
+  receivePort.listen((msg) {
+    Expect.isTrue(msg is SendPort);
+    try {
+      msg.send(new FromChildIsolate());
+    } catch (error) {
+      Expect.isTrue(error is ArgumentError);
+      msg.send("Invalid Argument(s).");
+    }
+  }, onError: (e) => print('$e'));
 }