code: def test_properties():
      """Property factory works"""
      assert Properties.from_dict(a=1, foo="bar")["a"] == 1
  
imports: import pytest
  from fiona.errors import FionaDeprecationWarning
  from fiona.model import _Geometry, Feature, Geometry, Object, ObjectEncoder, Properties, decode_object
label_desc: Use image node_id 28 for calling a global function with example usage: test_properties() without return types