MAGETWO-91563: Gift wrapping selection does not display in shopping cart

- Fix static test

Author: VeronikaYarats

app/code/Magento/Checkout/Controller/Cart/UpdatePost.php

@@ -1,6 +1,5 @@
 <?php
 /**
- *
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
@@ -10,6 +9,9 @@
 use Magento\Framework\App\Action\HttpPostActionInterface;
 use Magento\Framework\App\Action\HttpGetActionInterface;
 
+/**
+ * Post update shopping cart.
+ */
 class UpdatePost extends \Magento\Checkout\Controller\Cart implements HttpGetActionInterface, HttpPostActionInterface
 {
     /**