code: def prepare_config_and_inputs_for_common(self):
      (
          config,
          input_ids,
          input_mask,
          token_labels,
      ) = self.prepare_config_and_inputs()
      inputs_dict = {
          "input_ids": input_ids,
          "attention_mask": input_mask,
      }
      return config, inputs_dict
  
imports: import unittest
  from transformers import BertGenerationConfig, is_torch_available
  from transformers.testing_utils import require_torch, slow, torch_device
  from ...generation.test_generation_utils import GenerationTesterMixin
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor, random_attention_mask
label_desc: Use image node_id 9 for calling the BertGenerationEncoderTester obj's underlying member method code with example usage: obj.prepare_config_and_inputs_for_common() and returns: config,  inputs_dict