MAGETWO-51068: Admin User session expired despite Session Lifetime

- CR fix

Author: MaxSavich

lib/internal/Magento/Framework/Session/SaveHandler/Redis/Config.php

@@ -10,6 +10,9 @@
 use Magento\Framework\App\Config\ScopeConfigInterface;
 use Magento\Store\Model\ScopeInterface as StoreScopeInterface;
 
+/**
+ * Redis session save handler
+ */
 class Config implements \Cm\RedisSession\Handler\ConfigInterface
 {
     /**

lib/internal/Magento/Framework/Session/Test/Unit/SaveHandler/Redis/ConfigTest.php

@@ -31,13 +31,13 @@ class ConfigTest extends \PHPUnit_Framework_TestCase
 
     public function setUp()
     {
-        $this->deploymentConfigMock = $this->getMock('Magento\Framework\App\DeploymentConfig', [], [], '', false);
-        $this->appStateMock = $this->getMock('Magento\Framework\App\State', [], [], '', false);
-        $this->scopeConfigMock = $this->getMock('Magento\Framework\App\Config', [], [], '', false);
+        $this->deploymentConfigMock = $this->getMock(\Magento\Framework\App\DeploymentConfig::class, [], [], '', false);
+        $this->appStateMock = $this->getMock(\Magento\Framework\App\State::class, [], [], '', false);
+        $this->scopeConfigMock = $this->getMock(\Magento\Framework\App\Config::class, [], [], '', false);
 
         $objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
         $this->config = $objectManager->getObject(
-            'Magento\Framework\Session\SaveHandler\Redis\Config',
+            \Magento\Framework\Session\SaveHandler\Redis\Config::class,
             [
                 'deploymentConfig' => $this->deploymentConfigMock,
                 'appState' => $this->appStateMock,