code: def test_kaleido_fulljson():
      empty_fig = dict(data=[], layout={})
      result = pio.full_figure_for_development(
          empty_fig, warn=False, as_dict=True
      )
      assert result["layout"]["calendar"] == "gregorian"
  
file_path: plotly.py/packages/python/plotly/plotly/tests/test_optional/test_kaleido/test_kaleido.py
imports: import plotly.io
  import plotly.io.kaleido
  from contextlib import contextmanager
  from io import BytesIO
  from pathlib import Path
  from unittest.mock import Mock
label_desc: Use image node_id 4 for calling a global function with example usage: test_kaleido_fulljson() without return types