@Test
public void testTimer() {
CodahaleMetrics codahaleMetrics = new CodahaleMetrics(configurationProperties, reservoirFactory);
when(reservoirFactory.newInstance(com.codahale.metrics.Timer.class, "timer")).thenReturn(reservoir);
Timer timer = codahaleMetrics.timer("timer");
verify(reservoirFactory, times(1)).newInstance(com.codahale.metrics.Timer.class, "timer");
assertNotNull(timer);
}