Fatal error: Uncaught Error: Class "Magento\Framework\Model\ResourceModel\Db\AbstractDb" not found in /home/jasainfo/public_html/dev/tests/api-functional/_files/Magento/TestModuleMSC/Model/ResourceModel/Item.php:12 Stack trace: #0 {main} thrown in /home/jasainfo/public_html/dev/tests/api-functional/_files/Magento/TestModuleMSC/Model/ResourceModel/Item.php on line 12