MQE-2095: Stabilize test runs for RC2 release

Author: tomreece

composer.json

@@ -89,6 +89,7 @@
         "friendsofphp/php-cs-fixer": "~2.16.0",
         "lusitanian/oauth": "~0.8.10",
         "magento/magento-coding-standard": "*",
+        "magento/magento2-functional-testing-framework": "dev-MFTF3.0.0-RC2",
         "pdepend/pdepend": "~2.7.1",
         "phpcompatibility/php-compatibility": "^9.3",
         "phpmd/phpmd": "^2.8.0",