Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/asifmugh/public_html/core/vendor/coingate/coingate-php/tests/TestCase.php:5 Stack trace: #0 /home/asifmugh/public_html/core/vendor/coingate/coingate-php/tests/bootstrap.php(3): require_once() #1 /home/asifmugh/public_html/core/vendor/coingate/coingate-php/tests/bootstrap.no_autoload.php(5): require_once('/home/asifmugh/...') #2 {main} thrown in /home/asifmugh/public_html/core/vendor/coingate/coingate-php/tests/TestCase.php on line 5