code: def test_feature_properties():
      """Feature has properties"""
      feat = Feature(properties=Properties(foo=1))
      assert len(feat.properties) == 1
      assert feat.properties["foo"] == 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 19 for calling a global function with example usage: test_feature_properties() without return types