Fatal error: Uncaught Error: Interface 'Magento\Framework\App\ActionInterface' not found in /home/esecureh/public_html/magdemo/dev/tests/api-functional/_files/Magento/TestModule1/Controller/CookieTester.php:16 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/api-functional/_files/Magento/TestModule1/Controller/CookieTester.php on line 16