code: def setUp(
      self,
  ):
      self.model_tester = Speech2Text2StandaloneDecoderModelTester(
          self, is_training=False
      )
      self.config_tester = ConfigTester(
          self, config_class=Speech2Text2Config
      )
  
imports: import unittest
  from transformers import Speech2Text2Config
  from transformers.testing_utils import is_torch_available, require_torch, torch_device
  from ...generation.test_generation_utils import GenerationTesterMixin
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, ids_tensor
label_desc: Use image node_id 1 for calling the Speech2Text2StandaloneDecoderModelTest obj's underlying member method code with example usage: obj.setUp() without return types