Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\laragon\www\backup\clients.if-net.fr\vendor\paypal\paypal-checkout-sdk\tests\Orders\OrdersPatchTest.php:14 Stack trace: #0 {main} thrown in C:\laragon\www\backup\clients.if-net.fr\vendor\paypal\paypal-checkout-sdk\tests\Orders\OrdersPatchTest.php on line 14