MAGETWO-32870: [GITHUB] extra tests for current interception behavior #965

- Fix license header in FirstPlugin

dev/tests/integration/testsuite/Magento/Framework/Interception/Fixture/Intercepted/FirstPlugin.php

 <?php
 /**
- *
- * @copyright Copyright (c) 2014 X.commerce, Inc. (http://www.magentocommerce.com)
+ * Copyright © 2015 Magento. All rights reserved.
+ * See COPYING.txt for license details.
  */
 namespace Magento\Framework\Interception\Fixture\Intercepted;