Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/alkhalaffamily/public_html/educourses/vendor/symfony/http-client-contracts/Test/HttpClientTestCase.php:24 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/educourses/vendor/symfony/http-client-contracts/Test/HttpClientTestCase.php on line 24