Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/ziphubb/public_html/manage/vendor/deepseek-php/deepseek-php-client/tests/TestCase.php:7 Stack trace: #0 {main} thrown in /home/ziphubb/public_html/manage/vendor/deepseek-php/deepseek-php-client/tests/TestCase.php on line 7