Fatal error: Uncaught Error: Class "Tests\TestCase" not found in /home/grithx/public_html/panel.zthosting.com/vendor/zfhassaan/payfast/tests/Unit/Services/OTPVerificationServiceTest.php:19 Stack trace: #0 {main} thrown in /home/grithx/public_html/panel.zthosting.com/vendor/zfhassaan/payfast/tests/Unit/Services/OTPVerificationServiceTest.php on line 19