Fatal error: Uncaught Error: Class "Magento\TestFramework\TestCase\AbstractBackendController" not found in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Swatches/Controller/Adminhtml/Product/AttributeTest.php:20 Stack trace: #0 {main} thrown in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Swatches/Controller/Adminhtml/Product/AttributeTest.php on line 20