Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/esipntnw/academy.esip.tn/syrine_azzouz/vendor/symfony/form/Test/FormIntegrationTestCase.php:21 Stack trace: #0 {main} thrown in /home/esipntnw/academy.esip.tn/syrine_azzouz/vendor/symfony/form/Test/FormIntegrationTestCase.php on line 21