code: def test_retrieve_best_interpolation(interpolations):
      """
      Testing retrieve_best_interpolation method
      """
      try:
          output = retrieve_best_interpolation(interpolations)
          if interpolations != "invalid":
              assert output, "Test failed"
      except Exception as e:
          pytest.fail(str(e))
  
file_path: vidgear/vidgear/tests/network_tests/asyncio_tests/test_helper.py
imports: import cv2
  import asyncio
  import numpy
  import pytest
  import logging
  from vidgear.gears.asyncio.helper import reducer, create_blank_frame
  from vidgear.gears.helper import logger_handler, retrieve_best_interpolation
label_desc: Use image node_id 3 for calling a global function with example usage: test_retrieve_best_interpolation(interpolations) without return types