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 test_initialization(self):
      super().test_initialization()
  
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 2 for calling the VitDetModelTest obj's underlying member method code with example usage: obj.test_initialization() without return types