@Test
public void testWhenCacheMissShouldCallTSDBServiceGetMetricsMethod() throws Exception {

	long startTime = System.currentTimeMillis()-60*60*1000, endTime = System.currentTimeMillis();
	MetricQuery query = new MetricQuery("scope", "metric", new HashMap<>(),
			startTime, endTime);
	cachedTSDBService.getMetrics(Arrays.asList(query));
	verify(tsdbService,times(1)).getMetrics(any());
}