code: def test_set_operation_reduce_empty(func, related_func):
      assert func(np.empty((0,), dtype=object)) == empty
      arr_empty_2D = np.empty((0, 2), dtype=object)
      assert func(arr_empty_2D) == empty
      assert func(arr_empty_2D, axis=0).tolist() == [empty] * 2
      assert func(arr_empty_2D, axis=1).tolist() == []
  
imports: import numpy
  import pytest
  import shapely
  from shapely import Geometry, GeometryCollection, Polygon
  from shapely.errors import UnsupportedGEOSVersionError
  from shapely.testing import assert_geometries_equal
  from shapely.tests.common import all_types, empty, ignore_invalid, point, polygon
label_desc: Use image node_id 8 for calling a global function with example usage: test_set_operation_reduce_empty(func, related_func) without return types