Fatal error: Uncaught Error: Class 'Magento\Framework\Interception\ObjectManager\Config\Developer' not found in /home/esecureh/public_html/magdemo/dev/tests/integration/framework/Magento/TestFramework/ObjectManager/Config.php:8 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/integration/framework/Magento/TestFramework/ObjectManager/Config.php on line 8