Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/noct-c/www/mitanitouki_admin/vendor/symfony/var-dumper/Tests/Caster/GmpCasterTest.php:19 Stack trace: #0 {main} thrown in /home/noct-c/www/mitanitouki_admin/vendor/symfony/var-dumper/Tests/Caster/GmpCasterTest.php on line 19