Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/workifdo/onielapp.com/demo/vendor/picqer/php-barcode-generator/tests/BarcodeSvgTest.php:5 Stack trace: #0 {main} thrown in /home/workifdo/onielapp.com/demo/vendor/picqer/php-barcode-generator/tests/BarcodeSvgTest.php on line 5