Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/kardi/public_html/vendor2523/srmklive/paypal/tests/Unit/Adapter/SubscriptionsTest.php:10 Stack trace: #0 {main} thrown in /home/kardi/public_html/vendor2523/srmklive/paypal/tests/Unit/Adapter/SubscriptionsTest.php on line 10