code: def run_pipeline_test(self, mask_generator, examples):
      pass
  
file_path: transformers/tests/pipelines/test_pipelines_mask_generation.py
imports: import unittest
  from typing import Dict
  import numpy
  from huggingface_hub.utils import insecure_hashlib
  from transformers import MODEL_FOR_MASK_GENERATION_MAPPING, TF_MODEL_FOR_MASK_GENERATION_MAPPING, is_vision_available, pipeline
  from transformers.pipelines import MaskGenerationPipeline
  from transformers.testing_utils import is_pipeline_test, nested_simplify, require_tf, require_torch, require_vision, slow
label_desc: Use image node_id 2 for calling the MaskGenerationPipelineTests obj's underlying member method code with example usage: obj.run_pipeline_test(mask_generator, examples) without return types