Updated yaml to deploy test client
faas store deploy figlet --annotation topic="faas-request" --gateway $GATEWAY
```
- b. write a topic with the `testclient` msg:
+ b. write a msg with the `testclient`:
```sh
echo "test message" | kubectl -n kafka exec -it testclient -- kafka-console-producer --broker-list kf-kafka-headless:9092 --topic faas-request
