Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home2/quiccknaukri/public_html/vendor/instamojo/instamojo-php/tests/unit/PaymentsTest.php:5 Stack trace: #0 {main} thrown in /home2/quiccknaukri/public_html/vendor/instamojo/instamojo-php/tests/unit/PaymentsTest.php on line 5