@Test
  public void testFetchSpecificAndGeneralQuotaForStorage() throws Exception {
    List<QuotaStorage> quotaStorageList =
        dao.getQuotaStorageByStorageGuid(null, FixturesTool.QUOTA_SPECIFIC_AND_GENERAL);
    QuotaStorage quotaStorage = quotaStorageList.get(0);
    assertEquals(true, quotaStorageList.size() == 1);
    assertNotNull(quotaStorage);

    // Check if the global variable returns when null is initialization.
    assertEquals(true, quotaStorage.getStorageSizeGBUsage() > 0);
  }