Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/eberhardschwarze/public_html/vendor/toflar/psr6-symfony-http-cache-store/tests/Psr6StoreTest.php:32 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/toflar/psr6-symfony-http-cache-store/tests/Psr6StoreTest.php on line 32