Fatal error: Uncaught Error: Class 'Magento\TestFramework\Helper\Bootstrap' not found in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/Multishipping/Fixtures/billing_address.php:13 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/Multishipping/Fixtures/billing_address.php on line 13