code: def prepare_config_and_inputs_for_common(self):
      config, inputs_dict = self.prepare_config_and_inputs()
      return config, inputs_dict
  
imports: import copy
  import tempfile
  import unittest
  from transformers import BigBirdPegasusConfig, is_torch_available
  from transformers.testing_utils import require_sentencepiece, require_tokenizers, require_torch, slow, 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 4 for calling the BigBirdPegasusModelTester obj's underlying member method code with example usage: obj.prepare_config_and_inputs_for_common() and returns: config,  inputs_dict