code: def _test_tin(geometry: Geometry) -> None:
      """Test if TIN (((0 0 0, 0 0 1, 0 1 0, 0 0 0)), ((0 0 0, 0 1 0, 1 1 0, 0 0 0)))
      is correctly converted to MultiPolygon.
      """
      assert geometry["type"] == "MultiPolygon"
      assert geometry["coordinates"] == [
          [
              [
                  (0.0, 0.0, 0.0),
                  (0.0, 0.0, 1.0),
                  (0.0, 1.0, 0.0),
                  (0.0, 0.0, 0.0),
              ]
          ],
          [
              [
                  (0.0, 0.0, 0.0),
                  (0.0, 1.0, 0.0),
                  (1.0, 1.0, 0.0),
                  (0.0, 0.0, 0.0),
              ]
          ],
      ]
  
imports: import fiona
  from fiona.model import Geometry
label_desc: Use image node_id 1 for calling a global function with example usage: _test_tin(geometry) without return types