Fatal error: Uncaught Error: Class "Symfony\Component\BrowserKit\Response" not found in /home2/yiikharazmisabt/public_html/yii2-app/vendor/symfony/browser-kit/Tests/ClientTest.php:21 Stack trace: #0 {main} thrown in /home2/yiikharazmisabt/public_html/yii2-app/vendor/symfony/browser-kit/Tests/ClientTest.php on line 21