code: def pytest_generate_tests(metafunc):
      if "fargs" in metafunc.fixturenames:
          fargs = []
          bsz_rng = [2]
          roi_num_rng = [2]
          img_fm_c_rng = [2]
          img_fm_h_rng = [62]
          img_fm_w_rng = [62]
          roi_size_rng = [6]
          fargs = itt.product(
              roi_num_rng,
              img_fm_c_rng,
              img_fm_h_rng,
              img_fm_w_rng,
              roi_size_rng,
              bsz_rng,
          )
          metafunc.parametrize("fargs", fargs)
  
file_path: neon/tests/test_roipooling_layer.py
imports: from builtins import round
  import itertools
  import numpy
  from timeit import default_timer
  from neon import NervanaObject, logger
  from neon.backends import gen_backend
  from utils import allclose_with_out
label_desc: Use image node_id 2 for calling a global function with example usage: pytest_generate_tests(metafunc) without return types