Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/marcgron/www/SSA/v2/vendor/symfony/framework-bundle/Test/KernelTestCase.php:28 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/framework-bundle/Test/KernelTestCase.php on line 28