$ promtool test rules etcd_test.yaml
Unit Testing:  etcd_test.yaml
  FAILED:
    alertname: EtcdReplicationDown, time: 5m, 
        exp:[
            0:
              Labels:{alertname="EtcdReplicationDown", cluster="etcd", instance="conf2005:8000", job="etcdmirror", severity="page", team="sre"}
              Annotations:{description="The etcd-mirror instance on conf2005:8000 is down or unresponsive", runbook="https://wikitech.wikimedia.org/wiki/Etcd/Main_cluster#Replication'", summary="etcd replication down on conf2005:8000 #page"}
            ], 
        got:[
            0:
              Labels:{alertname="EtcdReplicationDown", cluster="etcd", instance="conf2005:8000", job="etcdmirror", severity="page", team="sre"}
              Annotations:{description="The etcd-mirror instance on conf2005:8000 is down or unresponsive", runbook="https://wikitech.wikimedia.org/wiki/Etcd/Main_cluster#Replication", summary="etcd replication down on conf2005:8000 #page"}
            ]