Fatal error: Uncaught Error: Interface 'Magento\Store\Model\StoreManagerInterface' not found in /home/esecureh/public_html/magdemo/dev/tests/integration/framework/Magento/TestFramework/Store/StoreManager.php:16 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/integration/framework/Magento/TestFramework/Store/StoreManager.php on line 16