Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/wp-content/plugins/ip2location-redirection/vendor/ip2location/ip2location-php/tests/RegionTest.php:9 Stack trace: #0 {main} thrown in /var/www/html/wp-content/plugins/ip2location-redirection/vendor/ip2location/ip2location-php/tests/RegionTest.php on line 9