Fatal error: Uncaught Error: Class "Symfony\Bundle\SwiftmailerBundle\Tests\TestCase" not found in /home/technoon/public_html/demo/yondy/vendor/symfony/swiftmailer-bundle/Tests/DependencyInjection/SwiftmailerExtensionTest.php:22 Stack trace: #0 {main} thrown in /home/technoon/public_html/demo/yondy/vendor/symfony/swiftmailer-bundle/Tests/DependencyInjection/SwiftmailerExtensionTest.php on line 22