code: def test_large_sample():
      for start_method in ("fork", "spawn"):
          yield _test_large_sample, start_method
  
imports: import numpy
  from nose.tools import with_setup
  from nvidia.dali import pipeline_def
  import nvidia.dali.fn
  from test_external_source_parallel_utils import setup_function, teardown_function, capture_processes
label_desc: Use image node_id 3 for calling a global function with example usage: test_large_sample() without return types