code: def test_map_join(args, expected):
      # ggplot is required - it normalizes map_join on before_append
      spec = gg.ggplot() + gg.geom_point(
          map_join=args, tooltips=gg.layer_tooltips()
      )
      assert spec.as_dict()["layers"][0]["map_join"] == expected
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_map_join(args, expected) without return types