Fatal error: Uncaught Error: Class 'Magento\Framework\Data\Collection' not found in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/Store/Model/DataSource.php:11 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/Store/Model/DataSource.php on line 11