Fatal error: Uncaught Error: Class "Magento\Framework\App\Response\HeaderProvider\AbstractHeaderTestCase" not found in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Framework/App/Response/HeaderProvider/XFrameOptionsTest.php:8 Stack trace: #0 {main} thrown in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Framework/App/Response/HeaderProvider/XFrameOptionsTest.php on line 8