code: def test_property_roughness(prop):
      value = 0.1
      prop.roughness = value
      assert prop.roughness == value
  
imports: import pytest
  import pyvista
  from pyvista.plotting._property import _check_range
label_desc: Use image node_id 15 for calling a global function with example usage: test_property_roughness(prop) without return types