MAGETWO-70084: [IT] Magento\Security\Model\Plugin\AuthSessionTest::testProcessProlong failed

Author: OlgaVasyltsun

dev/tests/integration/testsuite/Magento/Security/Model/Plugin/AuthSessionTest.php

@@ -40,6 +40,13 @@ class AuthSessionTest extends \PHPUnit_Framework_TestCase
      */
     protected $dateTime;
 
+    /**
+     * Session Manager.
+     *
+     * @var \Magento\Framework\Session\SessionManager
+     */
+    private $sessionManager;
+
     /**
      * Set up
      */
@@ -48,14 +55,15 @@ protected function setUp()
         parent::setUp();
 
         $this->objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
-        $this->objectManager->get('Magento\Framework\Config\ScopeInterface')
+        $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');
-        $this->authSession = $this->objectManager->create('Magento\Backend\Model\Auth\Session');
-        $this->adminSessionInfo = $this->objectManager->create('Magento\Security\Model\AdminSessionInfo');
+        $this->auth = $this->objectManager->create(\Magento\Backend\Model\Auth::class);
+        $this->authSession = $this->objectManager->create(\Magento\Backend\Model\Auth\Session::class);
+        $this->adminSessionInfo = $this->objectManager->create(\Magento\Security\Model\AdminSessionInfo::class);
         $this->auth->setAuthStorage($this->authSession);
-        $this->adminSessionsManager = $this->objectManager->create('Magento\Security\Model\AdminSessionsManager');
-        $this->dateTime = $this->objectManager->create('Magento\Framework\Stdlib\DateTime');
+        $this->adminSessionsManager = $this->objectManager->create(\Magento\Security\Model\AdminSessionsManager::class);
+        $this->dateTime = $this->objectManager->create(\Magento\Framework\Stdlib\DateTime::class);
     }
 
     /**