Fatal error: Uncaught Error: Class "Magento\Shipping\Model\CollectRatesAbstract" not found in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Ups/Model/CollectRatesTest.php:14 Stack trace: #0 {main} thrown in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Ups/Model/CollectRatesTest.php on line 14