class_docstr: Checks all functions of BlitzDBDALDriver
code: def test_raise_entity_not_found(self):
      exp_thrown = False
      try:
          _ = self.database.get(self.collection, "not_found")
      except EntityNotFound:
          exp_thrown = True
      assert exp_thrown
  
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 14 for calling the TestBlitzDBDALDriver obj's underlying member method code with example usage: obj.test_raise_entity_not_found() without return types