Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Tests\AbstractMimeTypeGuesserTestCase" not found in /home/neondra/www/vendor/symfony/mime/Tests/MimeTypesTest.php:20 Stack trace: #0 {main} thrown in /home/neondra/www/vendor/symfony/mime/Tests/MimeTypesTest.php on line 20