code: def test_versioned_cdn_included(fig1):
      assert plotly_cdn_url() in pio.to_html(
          fig1, include_plotlyjs="cdn"
      )
  
file_path: plotly.py/packages/python/plotly/plotly/tests/test_io/test_html.py
imports: import sys
  import pytest
  import numpy
  import plotly.graph_objs
  import plotly.io
  from plotly.io._utils import plotly_cdn_url
label_desc: Use image node_id 2 for calling a global function with example usage: test_versioned_cdn_included(fig1) without return types