code: def preset(request):
      return request.param
  
file_path: coach/rl_coach/tests/presets/test_presets.py
imports: import os
  import sys
  import pytest
  import os
  import time
  import shutil
  from subprocess import Popen, DEVNULL
  from rl_coach.logger import screen
label_desc: Use image node_id 2 for calling a global function with example usage: preset(request) and returns: request