Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/sisboxhrm/vendor/symfony/var-dumper/Tests/Caster/CasterTest.php:20 Stack trace: #0 {main} thrown in /home/app/htdocs/sisboxhrm/vendor/symfony/var-dumper/Tests/Caster/CasterTest.php on line 20