code: def setUp(self):
      self.model_tester = TFCTRLModelTester(self)
      self.config_tester = ConfigTester(
          self, config_class=CTRLConfig, n_embd=37
      )
  
imports: import unittest
  from transformers import CTRLConfig, is_tf_available
  from transformers.testing_utils import require_tf, slow
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_tf_common import TFModelTesterMixin, ids_tensor, random_attention_mask
label_desc: Use image node_id 1 for calling the TFCTRLModelTest obj's underlying member method code with example usage: obj.setUp() without return types