Fatal error: Uncaught Error: Class 'Symfony\Bundle\FrameworkBundle\Test\KernelTestCase' not found in /var/www/api_backup/vendor/symfony/framework-bundle/Test/WebTestCase.php:22 Stack trace: #0 {main} thrown in /var/www/api_backup/vendor/symfony/framework-bundle/Test/WebTestCase.php on line 22