Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /var/www/html/goe/vendor/picqer/php-barcode-generator/tests/BarcodeTest.php:3 Stack trace: #0 {main} thrown in /var/www/html/goe/vendor/picqer/php-barcode-generator/tests/BarcodeTest.php on line 3