Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\install\laragon\www\logisoft_invoice_old\vendor\simplesoftwareio\simple-qrcode\tests\GeneratorTest.php:16 Stack trace: #0 {main} thrown in E:\install\laragon\www\logisoft_invoice_old\vendor\simplesoftwareio\simple-qrcode\tests\GeneratorTest.php on line 16