code: def test_model_as_decoder(self):
      config_and_inputs = (
          self.model_tester.prepare_config_and_inputs_for_decoder()
      )
      self.model_tester.create_and_check_model_as_decoder(
          *config_and_inputs
      )
  
imports: import unittest
  from transformers import is_torch_available
  from transformers.testing_utils import require_torch, slow, torch_device
  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 11 for calling the RemBertModelTest obj's underlying member method code with example usage: obj.test_model_as_decoder() without return types