Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/nextgenc/shieldlink.app/inventory/vendor/tecnickcom/tc-lib-barcode/test/TestUtil.php:32 Stack trace: #0 {main} thrown in /home/nextgenc/shieldlink.app/inventory/vendor/tecnickcom/tc-lib-barcode/test/TestUtil.php on line 32