code: def component_name():
      return "test_component_name"
  
imports: from __future__ import absolute_import
  import io
  import json
  import logging
  import mock
  import pytest
  from mock import Mock, patch, ANY
  from sagemaker.serializers import CSVSerializer, IdentitySerializer
  from sagemaker.tensorflow import TensorFlow, TensorFlowModel, TensorFlowPredictor
label_desc: Use image node_id 2 for calling a global function with example usage: component_name() and returns: str