code: def test_beautify_icon():
      m = folium.Map([30.0, 0.0], zoom_start=3)
      # BeautifyIcons
      ic1 = plugins.BeautifyIcon(
          icon="plane", border_color="#b3334f", text_color="#b3334f"
      )
      ic2 = plugins.BeautifyIcon(
          border_color="#00ABDC",
          text_color="#00ABDC",
          number=10,
          inner_icon_style="margin-top:0;",
      )
  
      # Markers, add icons as keyword argument
      bm1 = folium.Marker(
          location=[46, -122], popup="Portland, OR", icon=ic1
      ).add_to(m)
  
      bm2 = folium.Marker(location=[50, -121], icon=ic2).add_to(m)
  
      m.add_child(bm1)
      m.add_child(bm2)
      m._repr_html_()
  
      out = normalize(m._parent.render())
  
      # We verify that the script import is present.
      script = '<script src="https://cdn.jsdelivr.net/gh/marslan390/BeautifyMarker/leaflet-beautify-marker-icon.min.js"></script>'  # noqa
      assert script in out
  
      # We verify that the css import is present.
      css = '<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/marslan390/BeautifyMarker/leaflet-beautify-marker-icon.min.css"/>'  # noqa
      assert css in out
  
      # We verify that the Beautiful Icons are rendered correctly.
      tmpl = Template(
          """
                  var {{this.get_name()}} = new L.BeautifyIcon.icon({{ this.options|tojson }})
                  {{this._parent.get_name()}}.setIcon({{this.get_name()}});
              """
      )  # noqa
  
      assert normalize(tmpl.render(this=ic1)) in out
      assert normalize(tmpl.render(this=ic2)) in out
  
imports: from jinja2 import Template
  import folium
  from folium import plugins
  from folium.utilities import normalize
label_desc: Use image node_id 1 for calling a global function with example usage: test_beautify_icon() without return types