@Test
public void testMetricData() {

    val kvTags = MetricUtil.defaultKvTags();
    val vTags = MetricUtil.defaultVTags();
    val metricDef = MetricUtil.metricDefinition(kvTags, vTags);
    val metricData = MetricUtil.metricData(metricDef);
    assertEquals(0.0, metricData.getValue(), 0.001);
}