Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/beepass/public_html/STRUCTURE/ECPaySample/src/TestCase/SingleServiceTestCase.php:11 Stack trace: #0 {main} thrown in /home/beepass/public_html/STRUCTURE/ECPaySample/src/TestCase/SingleServiceTestCase.php on line 11