Format all tests.

tests/language_strong/await_not_started_immediately_test.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.
 
 // Test that an async function does not start immediately.
 
 import "package:expect/expect.dart";
 import "package:async_helper/async_helper.dart";
 
 var x = 0;
 
 foo() async {
   x++;
   await 1;
   x++;
 }
 
 void main() {
   asyncStart();
   foo().then((_) => Expect.equals(2, x)).whenComplete(asyncEnd);
   Expect.equals(0, x);
-}
+}