Fatal error: Uncaught Error: Class 'Magento\TestFramework\Helper\Bootstrap' not found in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/GraphQl/Quote/_files/disable_guest_checkout.php:17 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/GraphQl/Quote/_files/disable_guest_checkout.php on line 17