class_docstr: Checks all functions of BlitzDBDALDriver
code: def test_db_query_all(self):
      results = self.database.query(self.collection, {})
      assert len(results) == 9
      # ensure each entity returns an 'id'
      for entity in results:
          assert entity["id"] != None
  
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 12 for calling the TestBlitzDBDALDriver obj's underlying member method code with example usage: obj.test_db_query_all() without return types