Fatal error: Uncaught Error: Class "Magento\Test\Integrity\Modular\AbstractMergedConfigTest" not found in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Test/Integrity/Modular/SalesConfigFilesTest.php:8 Stack trace: #0 {main} thrown in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Test/Integrity/Modular/SalesConfigFilesTest.php on line 8