Fatal error: Uncaught Error: Class "Magento\Framework\Mail\Template\TransportBuilder" not found in /home/jasainfo/public_html/dev/tests/integration/framework/Magento/TestFramework/Mail/Template/TransportBuilderMock.php:12 Stack trace: #0 {main} thrown in /home/jasainfo/public_html/dev/tests/integration/framework/Magento/TestFramework/Mail/Template/TransportBuilderMock.php on line 12