code: def test_for_laplace_attention(self):
      config_and_inputs = self.model_tester.prepare_config_and_inputs()
      self.model_tester.check_laplace_self_attention(*config_and_inputs)
  
imports: import unittest
  from transformers import MegaConfig, is_torch_available
  from transformers.testing_utils import TestCasePlus, require_torch, require_torch_fp16, slow, torch_device
  from ...generation.test_utils import GenerationTesterMixin
  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 16 for calling the MegaModelTest obj's underlying member method code with example usage: obj.test_for_laplace_attention() without return types