Fatal error: Uncaught Error: Class 'Symfony\Component\Mime\Tests\AbstractMimeTypeGuesserTest' not found in /home/noct-c/www/tanakahashi/vendor/symfony/mime/Tests/FileinfoMimeTypeGuesserTest.php:20 Stack trace: #0 {main} thrown in /home/noct-c/www/tanakahashi/vendor/symfony/mime/Tests/FileinfoMimeTypeGuesserTest.php on line 20