code: def setUp(self):
      self.model_tester = FlaxRobertaModelTester(self)
  
file_path: H2O/h2o_flexgen/benchmark/third_party/transformers/tests/models/roberta/test_modeling_flax_roberta.py
imports: import unittest
  import numpy
  from transformers import RobertaConfig, is_flax_available
  from transformers.testing_utils import require_flax, slow
  from ...test_modeling_flax_common import FlaxModelTesterMixin, floats_tensor, ids_tensor, random_attention_mask
label_desc: Use image node_id 1 for calling the FlaxRobertaModelTest obj's underlying member method code with example usage: obj.setUp() without return types