code: def output_images(request):
      return generate_output_images(request.param)
  
file_path: FEDOT/test/unit/data/test_data_merge_image.py
imports: import pytest
  from typing import Tuple, Iterable
  import numpy
  from fedot.core.data.data import OutputData
  from fedot.core.data.merge.data_merger import DataMerger
  from fedot.core.repository.dataset_types import DataTypesEnum
  from fedot.core.repository.tasks import Task, TaskTypesEnum
  from fedot.core.data.array_utilities import atleast_4d
label_desc: Use image node_id 2 for calling a global function with example usage: output_images(request) and returns: generate_output_images