Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\install\laragon\www\nom_du_projet\vendor\symfony\translation\Test\AbstractProviderFactoryTestCase.php:20 Stack trace: #0 {main} thrown in E:\install\laragon\www\nom_du_projet\vendor\symfony\translation\Test\AbstractProviderFactoryTestCase.php on line 20