Ignore prometheus KubeCPUOvercommit and KubeMemOvercommit alerts
Follow-up from #286 (closed).
Current master job prometheus-alerts fails with this error:
> assert count == 0, "Firing alerts: {0}".format(str(alert_names))
E AssertionError: Firing alerts: ['KubeCPUOvercommit', 'KubeMemOvercommit', 'KubeControllerManagerDown', 'KubeSchedulerDown']Edited by Varac