code: def testEnsureLocal(self):
      file_path = os.path.join(
          os.path.dirname(__file__), "testdata", "test_fn.py"
      )
      self.assertEqual(file_path, io_utils.ensure_local(file_path))
  
imports: import os
  from unittest import mock
  import tensorflow
  from tfx.dsl.io import fileio
  from tfx.utils import io_utils
  from tensorflow.python.lib.io import file_io
label_desc: Use image node_id 8 for calling the IoUtilsTest obj's underlying member method code with example usage: obj.testEnsureLocal() without return types