Fatal error: Uncaught Error: Class "WP_UnitTestCase" not found in /usr/www/renaz/JHCLeaning/wp-content/plugins/duplicator-pro/tests/test-sample.php:11 Stack trace: #0 {main} thrown in /usr/www/renaz/JHCLeaning/wp-content/plugins/duplicator-pro/tests/test-sample.php on line 11