code: def prepare_config_and_inputs_for_common(self):
      config_and_inputs = self.prepare_config_and_inputs()
      (
          config,
          input_ids,
          token_type_ids,
          attention_mask,
      ) = config_and_inputs
      inputs_dict = {
          "input_ids": input_ids,
          "token_type_ids": token_type_ids,
          "attention_mask": attention_mask,
      }
      return config, inputs_dict
  
imports: import unittest
  import numpy
  from transformers import BigBirdConfig, is_flax_available
  from transformers.testing_utils import require_flax, slow
  from ...test_modeling_flax_common import FlaxModelTesterMixin, ids_tensor, random_attention_mask
label_desc: Use image node_id 3 for calling the FlaxBigBirdModelTester obj's underlying member method code with example usage: obj.prepare_config_and_inputs_for_common() and returns: config,  inputs_dict