code: def test_tin_shp(path_test_tin_shp):
      """Convert TIN to MultiPolygon"""
      with fiona.open(path_test_tin_shp) as col:
          assert col.schema["geometry"] == "Unknown"
          features = list(col)
          assert len(features) == 1
          _test_tin(features[0]["geometry"])
  
imports: import fiona
  from fiona.model import Geometry
label_desc: Use image node_id 3 for calling a global function with example usage: test_tin_shp(path_test_tin_shp) without return types