Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/vincent/http/concrete5/concrete/vendor/enshrined/svg-sanitize/tests/SanitizerTest.php:12 Stack trace: #0 {main} thrown in /home/vincent/http/concrete5/concrete/vendor/enshrined/svg-sanitize/tests/SanitizerTest.php on line 12