Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/kubalos2/public_html/testtestowy/vendor/symfony/var-dumper/Tests/Dumper/CliDumperTest.php:24 Stack trace: #0 {main} thrown in /home/kubalos2/public_html/testtestowy/vendor/symfony/var-dumper/Tests/Dumper/CliDumperTest.php on line 24