code: def testCreateHandlerOther(self):
      self.flags_dict[labels.ENGINE_FLAG] = "flink"
      with self.assertRaises(Exception) as err:
          handler_factory.create_handler(self.flags_dict)
      self.assertEqual(
          str(err.exception),
          "Engine {} is not supported.".format(
              self.flags_dict[labels.ENGINE_FLAG]
          ),
      )
  
imports: import os
  import sys
  import tempfile
  from unittest import mock
  import tensorflow
  from tfx.tools.cli import labels
  from tfx.tools.cli.handler import beam_handler
  from tfx.tools.cli.handler import handler_factory
  from tfx.tools.cli.handler import local_handler
label_desc: Use image node_id 8 for calling the HandlerFactoryTest obj's underlying member method code with example usage: obj.testCreateHandlerOther() without return types