Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home2/zpcu9479/app.gennia.fr/vendor/symfony/form/Test/FormIntegrationTestCase.php:21 Stack trace: #0 {main} thrown in /home2/zpcu9479/app.gennia.fr/vendor/symfony/form/Test/FormIntegrationTestCase.php on line 21