@Test
public void testGroupActionSingleFieldNoFilter() throws QueryStoreException, JsonProcessingException {

    GroupRequest groupRequest = new GroupRequest();
    groupRequest.setTable(TestUtils.TEST_TABLE_NAME);
    groupRequest.setNesting(Arrays.asList("os"));
    Map<String, Object> response = Maps.newHashMap();
    response.put("android", 7L);
    response.put("ios", 4L);
    GroupResponse actualResult = GroupResponse.class.cast(queryExecutor.execute(groupRequest));
    assertEquals(response, actualResult.getResult());
}