Fatal error: Uncaught Error: Interface 'Magento\Framework\Config\FileResolverInterface' not found in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/Ui/Config/FileResolverStub.php:14 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/Ui/Config/FileResolverStub.php on line 14