Format all tests.

tests/language_strong/await_nonfuture_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.
 
 // VMOptions=--optimization-counter-threshold=5
 
 import 'package:expect/expect.dart';
 
 var X = 0;
 
 foo() async {
-  Expect.equals(X, 10);  // foo runs after main returns.
+  Expect.equals(X, 10); // foo runs after main returns.
   return await 5;
 }
 
 main() {
   var f = foo();
   f.then((res) => print("f completed with $res"));
   X = 10;
 }
-