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