code: def test_dcm_calculation_pipeline():
      dcm = special_ortho_group.rvs(3, size=10, random_state=0)
      assert_array_almost_equal(Rotation.from_dcm(dcm).as_dcm(), dcm)
  
imports: from __future__ import division, print_function, absolute_import
  import pytest
  import numpy
  from numpy.testing import assert_equal, assert_array_almost_equal
  from numpy.testing import assert_allclose
  from scipy.spatial.transform import Rotation, Slerp
  from scipy.stats import special_ortho_group
  from itertools import permutations
label_desc: Use image node_id 15 for calling a global function with example usage: test_dcm_calculation_pipeline() without return types