@Test
public void testSaveSingleNullId() throws Exception {

    Document document = new Document(null, System.currentTimeMillis(), mapper.valueToTree(Collections.singletonMap("TEST_NAME", "SINGLE_SAVE_TEST")));
    try {
        HBaseDataStore.save(TEST_APP, document);
        fail();
    } catch (DataStoreException ex) {
        assertEquals(DataStoreException.ErrorCode.STORE_INVALID_REQUEST, ex.getErrorCode());
    }
}