code: def pytest_fixture_setup(fixturedef, request):
      # Will return a dummy fixture if the setuponly option is provided.
      if request.config.option.setupplan:
          fixturedef.cached_result = (None, None, None)
          return fixturedef.cached_result
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: pytest_fixture_setup(fixturedef, request) and returns: fixturedef