Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/america2/public_html/wp-content/plugins/pdf-invoices-and-packing-slips-for-woocommerce-pro/includes/vendor/mpdf/qrcode/tests/QrCode/Output/PngTest.php:10 Stack trace: #0 {main} thrown in /home/america2/public_html/wp-content/plugins/pdf-invoices-and-packing-slips-for-woocommerce-pro/includes/vendor/mpdf/qrcode/tests/QrCode/Output/PngTest.php on line 10