Fatal error: Uncaught Error: Class 'Magento\TestFramework\TestCase\AbstractController' not found in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/Elasticsearch/Controller/QuickSearchTest.php:12 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/Elasticsearch/Controller/QuickSearchTest.php on line 12