Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/alkhalaffamily/public_html/frcem/vendor/paypal/paypal-checkout-sdk/tests/Orders/OrdersPatchTest.php:14 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/frcem/vendor/paypal/paypal-checkout-sdk/tests/Orders/OrdersPatchTest.php on line 14