code: def test_grouped_layer_control():
      m = folium.Map([40.0, 70.0], zoom_start=6)
      fg1 = folium.FeatureGroup(name="g1")
      fg2 = folium.FeatureGroup(name="g2")
      fg3 = folium.FeatureGroup(name="g3")
      folium.Marker([40, 74]).add_to(fg1)
      folium.Marker([38, 72]).add_to(fg2)
      folium.Marker([40, 72]).add_to(fg3)
      m.add_child(fg1)
      m.add_child(fg2)
      m.add_child(fg3)
      lc = groupedlayercontrol.GroupedLayerControl(
          groups={"groups1": [fg1, fg2]}
      )
      lc.add_to(m)
      out = normalize(m._parent.render())
  
      assert (
          "https://cdnjs.cloudflare.com/ajax/libs/leaflet-groupedlayercontrol/0.6.1/leaflet.groupedlayercontrol.min.js"
          in out
      )
  
      assert (
          normalize(
              f"""
          L.control.groupedLayers(
              null,
              {{
                  "groups1" : {{
                      "g1" : {fg1.get_name()},
                      "g2" : {fg2.get_name()},
                  }},
              }},
              {{"exclusiveGroups": ["groups1"]}},
           ).addTo({m.get_name()});
           {fg2.get_name()}.remove();
      """
          )
          in out
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_grouped_layer_control() without return types