Fix Gateway API tests to accommodate the removal of its prerequisite - managed Gateway API ingress provider enablement no longer required#9520

zhoxing-ms merged 4 commits intoAzure:mainAzure/azure-cli-extensions:mainfrom

Winbobob:zheweihu/f/remove-gateway-api-cli-managed-impl-enablement-checkWinbobob/azure-cli-extensions:zheweihu/f/remove-gateway-api-cli-managed-impl-enablement-checkCopy head branch name to clipboard