Fatal error: Uncaught Error: Class 'Symfony\Bundle\SwiftmailerBundle\Tests\TestCase' not found in /home/spadates/www/win4u.test/vendor/symfony/swiftmailer-bundle/Symfony/Bundle/SwiftmailerBundle/Tests/DependencyInjection/SwiftmailerExtensionTest.php:22 Stack trace: #0 {main} thrown in /home/spadates/www/win4u.test/vendor/symfony/swiftmailer-bundle/Symfony/Bundle/SwiftmailerBundle/Tests/DependencyInjection/SwiftmailerExtensionTest.php on line 22