Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\laragon\www\backup\clients.if-net.fr\vendor\apimatic\core\tests\CoreTestCaseTest.php:24 Stack trace: #0 {main} thrown in C:\laragon\www\backup\clients.if-net.fr\vendor\apimatic\core\tests\CoreTestCaseTest.php on line 24