code: def test_geometry_collection_encoding():
      """No coordinates in a GeometryCollection."""
      assert "coordinates" not in ObjectEncoder().default(
          Geometry(type="GeometryCollection", geometries=[])
      )
  
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 33 for calling a global function with example usage: test_geometry_collection_encoding() without return types