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