code: def setUp(self):
      self.model_tester = IdeficsModelTester(
          self,
          modality_type_vocab_size=3,
      )
      self.config_tester = ConfigTester(
          self, config_class=IdeficsConfig, hidden_size=37
      )
  
imports: import unittest
  from parameterized import parameterized
  from transformers import BitsAndBytesConfig, IdeficsConfig, is_torch_available, is_vision_available
  from transformers.testing_utils import TestCasePlus, require_bitsandbytes, require_torch, require_torch_sdpa, require_vision, slow, torch_device
  from transformers.utils import cached_property
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor, random_attention_mask
  from ...test_pipeline_mixin import PipelineTesterMixin
label_desc: Use image node_id 1 for calling the IdeficsForVisionText2TextTest obj's underlying member method code with example usage: obj.setUp() without return types