Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/hester/public_html/grocy/vendor/mike42/escpos-php/test/integration/ExampleTest.php:4 Stack trace: #0 {main} thrown in /home/hester/public_html/grocy/vendor/mike42/escpos-php/test/integration/ExampleTest.php on line 4