Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/mahmoud2025/public_html/vendor/phar-io/version/tests/Unit/SpecificMajorVersionConstraintTest.php:18 Stack trace: #0 {main} thrown in /home/mahmoud2025/public_html/vendor/phar-io/version/tests/Unit/SpecificMajorVersionConstraintTest.php on line 18