Disable robot for tests

That's the first step to remove robot pod. I've tested that in DT lab and there were no difference in results. [1] Tests with robot [2] Tests without robot

[1] https://logs.onap.org/onap-integration/daily/onap-master-daily-dell/2021-09/14_07-02/ [2] https://logs.onap.org/onap-integration/daily/onap-master-daily-dell/2021-09/14_14-33/