Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/html/vci_market/vendor/picqer/php-barcode-generator/tests/VerifiedBarcodeTest.php:14 Stack trace: #0 {main} thrown in /var/www/html/vci_market/vendor/picqer/php-barcode-generator/tests/VerifiedBarcodeTest.php on line 14