class_docstr: Checks all functions of BlitzDBDALDriver
code: def test_db_query(self):
      test_obj = {"foo": "bar"}
      results = self.database.query(self.collection, test_obj)
      assert len(results) == 3
  
imports: from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import os
  import tempfile
  import datetime
  import platform
  from datmo.core.storage.driver.blitzdb_dal_driver import BlitzDBDALDriver
  from datmo.core.util.exceptions import EntityNotFound, InvalidArgumentType, RequiredArgumentMissing
  from datmo.core.util.misc_functions import create_unique_hash
label_desc: Use image node_id 9 for calling the TestBlitzDBDALDriver obj's underlying member method code with example usage: obj.test_db_query() without return types