Format all tests.

tests/language_strong/async_test.dart

Index: tests/language_strong/async_test.dart
diff --git a/tests/language_strong/async_test.dart b/tests/language_strong/async_test.dart
index 444f0a7752e1c7ab791bd57b4bc86076145d8274..48b4fda283986ef9e27d88e0377b6bd0e9fd27ef 100644
--- a/tests/language_strong/async_test.dart
+++ b/tests/language_strong/async_test.dart
@@ -2,12 +2,11 @@
 // 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 'package:expect/expect.dart';
 
 import 'dart:async';
 
-topLevelFunction() async { }
+topLevelFunction() async {}
 
 Future<int> topLevelWithParameter(int a) async {
   return 7 + a;
@@ -31,7 +30,7 @@ class A {
   int _x;
   A(this._x);
 
-  operator+(A other) async {
+  operator +(A other) async {
     return new A(_x + other._x);
   }
 
@@ -45,7 +44,6 @@ class B {
   B() : _y = null;
 }
 
-
 main() {
   var asyncReturn;
 
@@ -81,7 +79,8 @@ main() {
     var z = 8;
     return p2 + z + foo;
   }
-  asyncReturn = bar(1,2);
+
+  asyncReturn = bar(1, 2);
   Expect.isTrue(asyncReturn is Future);
   asyncReturn.then((int result) => Expect.equals(result, 27));
 
@@ -90,6 +89,7 @@ main() {
     aa(int shadowP1) async {
       return foo + z + p3 + shadowP1;
     }
+
     return aa(6);
   };
   asyncReturn = moreNesting(1, "ignore", 2);