imports: import copy
  import inspect
  import os
  import tempfile
  import unittest
  from transformers import GraphormerConfig, is_torch_available
  from transformers.testing_utils import require_torch, slow, torch_device
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, _config_zero_init, ids_tensor
  from ...test_pipeline_mixin import PipelineTesterMixin
label_desc: Use image node_id 1 for calling the GraphormerModelIntegrationTest obj's underlying member method code with example usage: obj.test_inference_graph_classification() without return types