Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/ashraf.helioho.st/waken.helioho.st/user/plugins/shortcode-core/vendor/thunderer/shortcode/tests/AbstractTestCase.php:9 Stack trace: #0 {main} thrown in /home/ashraf.helioho.st/waken.helioho.st/user/plugins/shortcode-core/vendor/thunderer/shortcode/tests/AbstractTestCase.php on line 9