Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/html/vendor/phar-io/manifest/tests/values/BundledComponentCollectionTest.php:23 Stack trace: #0 {main} thrown in /var/www/html/vendor/phar-io/manifest/tests/values/BundledComponentCollectionTest.php on line 23