Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/khademni/public_html/vendor/anlutro/l4-settings/tests/unit/HelperTest.php:7 Stack trace: #0 {main} thrown in /home/khademni/public_html/vendor/anlutro/l4-settings/tests/unit/HelperTest.php on line 7