Fatal error: Uncaught Error: Class 'PHPUnit_Framework_AssertionFailedError' not found in /var/www/html/vendor/codeception/base/src/Codeception/Exception/ElementNotFound.php:6 Stack trace: #0 {main} thrown in /var/www/html/vendor/codeception/base/src/Codeception/Exception/ElementNotFound.php on line 6