Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/ckavlab/public_html/basic/vendor/symfony/browser-kit/Tests/HistoryTest.php:18 Stack trace: #0 {main} thrown in /home/ckavlab/public_html/basic/vendor/symfony/browser-kit/Tests/HistoryTest.php on line 18