code: def test_config(self):
      # we don't test common_properties and arguments_init as these don't apply for Deformable DETR
      self.config_tester.create_and_test_config_to_json_string()
      self.config_tester.create_and_test_config_to_json_file()
      self.config_tester.create_and_test_config_from_and_save_pretrained()
      self.config_tester.create_and_test_config_with_num_labels()
      self.config_tester.check_config_can_be_init_without_params()
  
imports: import inspect
  import math
  import unittest
  from typing import Dict, List, Tuple
  from transformers import DeformableDetrConfig, is_timm_available, is_vision_available
  from transformers.file_utils import cached_property
  from transformers.testing_utils import require_timm, require_torch_gpu, require_vision, slow, torch_device
  from ...generation.test_generation_utils import GenerationTesterMixin
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, _config_zero_init, floats_tensor
label_desc: Use image node_id 3 for calling the DeformableDetrModelTest obj's underlying member method code with example usage: obj.test_config() without return types