code: def generate_random_test_rotation_matrix_3d():
      """Generates random test 3d rotation matrices."""
      random_matrix = np.array(
          [stats.special_ortho_group.rvs(3) for _ in range(20)]
      )
      return np.reshape(random_matrix, [5, 4, 3, 3])
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import itertools
  import math
  import numpy
  from scipy import stats
  from six.moves import range
  import tensorflow.compat.v2
  from tensorflow_graphics.geometry.transformation import axis_angle
  from tensorflow_graphics.geometry.transformation import quaternion
  from tensorflow_graphics.geometry.transformation import rotation_matrix_2d
  from tensorflow_graphics.geometry.transformation import rotation_matrix_3d
label_desc: Use image node_id 13 for calling a global function with example usage: generate_random_test_rotation_matrix_3d() and returns: np