Fatal error: Uncaught Error: Class "Symfony\Component\Form\Test\FormIntegrationTestCase" not found in /home/marcgron/www/SSA/v2/vendor/symfony/form/Test/TypeTestCase.php:19 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/form/Test/TypeTestCase.php on line 19