Format all tests.

tests/language/private_member_lib_b.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.
 
 library PrivateMemberLibB;
 
 import 'private_member_test.dart';
 
 class B extends A {
   bool _instanceField;
   static bool _staticField;
-  bool _fun1(bool b) { return true; }
-  void _fun2() { }
+  bool _fun1(bool b) {
+    return true;
+  }
+
+  void _fun2() {}
 }