(t *testing.T) {  if testing.Short() {   origMetricsInterval := metricsInterval   metricsInterval = 0 * time.Second   defer func() {    metricsInterval = origMetricsInterval   }()  }   conf := &config.Config{   MetricPlugins: map[string]*config.MetricPlugin{    "metric0": {     Command: config.Command{Cmd: diceCommand},    },   },   CheckPlugins: map[string]*config.CheckPlugin{    "check0": {     Command: config.Command{Cmd: "echo 0"},    },   },  }  