Fatal error: Uncaught Error: Class "Tests\TestCase" not found in C:\laragon\www\backup\clients.if-net.fr\tests\Feature\Admin\Helpdesk\TicketControllerTest.php:15 Stack trace: #0 {main} thrown in C:\laragon\www\backup\clients.if-net.fr\tests\Feature\Admin\Helpdesk\TicketControllerTest.php on line 15