Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/gbc4/public_html/qrme/vendor/srmklive/paypal/tests/Unit/AdapterTest.php:10 Stack trace: #0 {main} thrown in /home/gbc4/public_html/qrme/vendor/srmklive/paypal/tests/Unit/AdapterTest.php on line 10