Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/app/vendor/greenter/gre-api/test/Api/CpeApiTest.php:46 Stack trace: #0 {main} thrown in /var/www/html/app/vendor/greenter/gre-api/test/Api/CpeApiTest.php on line 46