MAGETWO-58533: [Backport] - Loading of order page with a lot of items in admin. - for 2.1

Author: StasKozar

dev/tests/integration/testsuite/Magento/Sales/_files/order_item_list.php

@@ -4,7 +4,7 @@
  * See COPYING.txt for license details.
  */
 
-require __DIR__ . 'order.php';
+require 'order.php';
 /** @var \Magento\Catalog\Model\Product $product */
 /** @var \Magento\Sales\Model\Order $order */
 $objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();

dev/tests/integration/testsuite/Magento/Security/Model/AdminSessionsManagerTest.php

@@ -37,11 +37,6 @@ class AdminSessionsManagerTest extends \PHPUnit_Framework_TestCase
      */
     protected $objectManager;
 
-    /**
-     * @var \Magento\Framework\Session\SessionManager
-     */
-    private $sessionManager;
-
     /**
      * Set up
      */
@@ -50,7 +45,6 @@ protected function setUp()
         parent::setUp();
 
         $this->objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
-        $this->sessionManager = $this->objectManager->create(\Magento\Framework\Session\SessionManager::class);
         $this->objectManager->get(\Magento\Framework\Config\ScopeInterface::class)
             ->setCurrentScope(\Magento\Backend\App\Area\FrontNameResolver::AREA_CODE);
         $this->auth = $this->objectManager->create(\Magento\Backend\Model\Auth::class);