class_docstr: Here we also overwrite some of the tests of test_modeling_common.py, as VitDet does not use input_ids, inputs_embeds,
  attention_mask and seq_length.
code: def setUp(self):
      self.model_tester = VitDetModelTester(self)
      self.config_tester = ConfigTester(
          self,
          config_class=VitDetConfig,
          has_text_modality=False,
          hidden_size=37,
      )
  
imports: import unittest
  from transformers import VitDetConfig
  from transformers.testing_utils import is_flaky, require_torch, torch_device
  from transformers.utils import is_torch_available
  from ...test_backbone_common import BackboneTesterMixin
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor
  from ...test_pipeline_mixin import PipelineTesterMixin
label_desc: Use image node_id 1 for calling the VitDetModelTest obj's underlying member method code with example usage: obj.setUp() without return types