// expectFindMetric find a metric with the given name nad labels or reports a fatal test error. func expectFindMetric(t *testing.T, name string, expectedLabels map[string]string) { … } // expectHistogramCountTotal ensures that the sum of counts of metrics matching the labelFilter is as // expected. func expectHistogramCountTotal(t *testing.T, name string, labelFilter map[string]string, wantCount int) { … } // expectCounterValue ensures that the counts of metrics matching the labelFilter is as // expected. func expectCounterValue(t *testing.T, name string, labelFilter map[string]string, wantCount int) { … }