Format all tests.

tests/language/top_level_getter_arrow_syntax_test.dart

 // Copyright (c) 2011, 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 "package:expect/expect.dart";
 
 get getter => 42;
 
 List<int> get lgetter => null;
 
-bool get two_wrongs { return !true; }
+bool get two_wrongs {
+  return !true;
+}
 
 main() {
   Expect.equals(42, getter);
   Expect.equals(null, lgetter);
   Expect.equals(false, two_wrongs);
 }