code: def setUp(self):
      self.model_tester = TrajectoryTransformerModelTester(self)
      self.config_tester = ConfigTester(
          self, config_class=TrajectoryTransformerConfig, n_embd=37
      )
  
imports: import inspect
  import unittest
  import numpy
  from transformers import TrajectoryTransformerConfig, is_torch_available
  from transformers.testing_utils import require_torch, 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, random_attention_mask
label_desc: Use image node_id 1 for calling the TrajectoryTransformerModelTest obj's underlying member method code with example usage: obj.setUp() without return types