Set different timestamps in test cases for live stats
Set different timestamps in test cases for live stats

...in order to make sure we don't expect to receive the exact same timestamp on multiple series

jotak/hawkular-grafana-datasource,jotak/hawkular-grafana-datasource,jotak/hawkular-grafana-datasource,hawkular/hawkular-grafana-datasource,hawkular/hawkular-grafana-datasource,hawkular/hawkular-grafana-datasource