Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/nexerpin/demo.nex-erp.in/vendor/srmklive/paypal/tests/Unit/Client/PaymentAuthorizationsTest.php:11 Stack trace: #0 {main} thrown in /home/nexerpin/demo.nex-erp.in/vendor/srmklive/paypal/tests/Unit/Client/PaymentAuthorizationsTest.php on line 11