Fatal error: Uncaught Error: Interface 'Magento\Framework\Mail\TransportInterface' not found in /home/esecureh/public_html/magdemo/dev/tests/integration/framework/Magento/TestFramework/Mail/TransportInterfaceMock.php:14 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/integration/framework/Magento/TestFramework/Mail/TransportInterfaceMock.php on line 14