code: def testImportClassByPath(self):
      test_class = test_fn.TestClass
      class_path = "%s.%s" % (
          test_class.__module__,
          test_class.__name__,
      )
      imported_class = import_utils.import_class_by_path(class_path)
      self.assertEqual(test_class, imported_class)
  
file_path: tfx/tfx/utils/import_utils_test.py
imports: import importlib
  import os
  import sys
  import tensorflow
  from tfx.utils import import_utils
  from tfx.utils.testdata import test_fn
label_desc: Use image node_id 1 for calling the ImportUtilsTest obj's underlying member method code with example usage: obj.testImportClassByPath() without return types