code: def test_orientation_cube():
      pl = demos.orientation_plotter()
      assert isinstance(pl, pv.Plotter)
      pl.show()
  
file_path: pyvista/tests/plotting/test_demos.py
imports: import os
  import platform
  import numpy
  import pytest
  import pyvista
  from pyvista import demos
  from pyvista.plotting import system_supports_plotting
label_desc: Use image node_id 10 for calling a global function with example usage: test_orientation_cube() without return types