Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/sisboxhrm/vendor/symfony/css-selector/Tests/CssSelectorConverterTest.php:16 Stack trace: #0 {main} thrown in /home/app/htdocs/sisboxhrm/vendor/symfony/css-selector/Tests/CssSelectorConverterTest.php on line 16