Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/llbmvgik/public_html/vendor/picqer/php-barcode-generator/tests/BarcodeDynamicHtmlTest.php:5 Stack trace: #0 {main} thrown in /home/llbmvgik/public_html/vendor/picqer/php-barcode-generator/tests/BarcodeDynamicHtmlTest.php on line 5