@Test
public void testSucceededAppsKilled() {

  long totalGoodBefore = metrics.getNumSucceededAppsKilled();
  goodSubCluster.forceKillApplication(100);
  Assert.assertEquals(totalGoodBefore + 1,
      metrics.getNumSucceededAppsKilled());
  Assert.assertEquals(100, metrics.getLatencySucceededAppsKilled(), 0);
  goodSubCluster.forceKillApplication(200);
  Assert.assertEquals(totalGoodBefore + 2,
      metrics.getNumSucceededAppsKilled());
  Assert.assertEquals(150, metrics.getLatencySucceededAppsKilled(), 0);
}