@Test
public void testDataSyncConfiguration() {

    DataSyncConfiguration.getInstance().disableSyncMode();
    assertFalse(DataSyncConfiguration.getInstance().isEnableSyncMode());
    DataSyncConfiguration.getInstance().enableSyncMode();
    DasDataSynchronizer dasDataSynchronizer1 = DataSyncConfiguration.getInstance().getDasDataSynchronizer("dbA");
    assertEquals("TestSynchronizer", dasDataSynchronizer1.getClass().getSimpleName());
    DasDataSynchronizer dasDataSynchronizer2 = DataSyncConfiguration.getInstance().getDasDataSynchronizer("dbB");
    assertEquals("TestSynchronizer", dasDataSynchronizer2.getClass().getSimpleName());
    assertTrue(DataSyncConfiguration.getInstance().isEnableSyncMode());
}