code: def test_deck_to_html_string():
      output = deck_to_html(fixtures["minimal"], as_string=True)
      assert isinstance(output, str)
  
file_path: deck.gl/bindings/pydeck/tests/io/test_html.py
imports: import html
  import webbrowser
  import pydeck
  from pydeck.io.html import cdn_picker, display_html, iframe_with_srcdoc, in_jupyter, render_json_to_html, deck_to_html, CDN_URL
  from IPython.display import HTML
  from ..fixtures import fixtures
label_desc: Use image node_id 6 for calling a global function with example usage: test_deck_to_html_string() without return types