code: def test_init():
      """Test collection initialization"""
      with TestingCanvas():
          for coll in (
              PathCollection,
              PointCollection,
              PolygonCollection,
              SegmentCollection,
              TriangleCollection,
          ):
              coll()
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_init() without return types