code: def setUp(self):
      self.model_tester = LayoutLMv2ModelTester(self)
      self.config_tester = ConfigTester(
          self, config_class=LayoutLMv2Config, hidden_size=37
      )
  
imports: import os
  import random
  import tempfile
  import unittest
  from transformers.testing_utils import require_detectron2, require_torch, require_torch_multi_gpu, slow, torch_device
  from transformers.utils import is_detectron2_available, is_torch_available
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, _config_zero_init, ids_tensor, random_attention_mask
label_desc: Use image node_id 1 for calling the LayoutLMv2ModelTest obj's underlying member method code with example usage: obj.setUp() without return types