Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/esecureh/public_html/magdemo/vendor/astock/stock-api-libphp/test/src/Api/Client/LicenseFactoryTest.php:20 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/astock/stock-api-libphp/test/src/Api/Client/LicenseFactoryTest.php on line 20