code: def testAirflowVersion(self):
      self._mock_get_airflow_version.return_value = "1.10.10"
      with self.assertRaises(RuntimeError):
          _ = airflow_handler.AirflowHandler({})
  
imports: import json
  import os
  import subprocess
  import sys
  from unittest import mock
  import click
  import tensorflow
  from tfx.dsl.components.base import base_driver
  from tfx.dsl.io import fileio
  from tfx.tools.cli import labels
  from tfx.tools.cli.handler import airflow_handler
  from tfx.utils import io_utils
  from tfx.utils import test_case_utils
label_desc: Use image node_id 24 for calling the AirflowHandlerTest obj's underlying member method code with example usage: obj.testAirflowVersion() without return types