@Test
public void testGetLong() {

  for (String key : STATISTICS_KEYS) {
    final long expectedStat = getStatisticsValue(key);
    final long storageStat = storageStatistics.getLong(key);
    LOG.info("{}: FileSystem.Statistics={}, FileSystemStorageStatistics={}",
        key, expectedStat, storageStat);
    assertEquals(expectedStat, storageStat);
  }
}