@Test
public void testDecGauge() throws Exception {
String key = "testdec";
bmsi.decGauge(key, 100);
MetricMutableGaugeLong g = (MetricMutableGaugeLong) bmsi.metricsRegistry.get(key);
assertEquals(key, g.name);
bmsi.decGauge(key, 100);
assertSame(g, bmsi.metricsRegistry.get(key));
}