code: def test_list_in_metadata(cell_metadata={"d": ["e"]}):
      round_trip_cell_metadata(cell_metadata)
  
imports: import re
  from time import sleep
  import nbformat
  import pytest
  from nbformat.v4.nbbase import new_code_cell, new_markdown_cell, new_notebook, new_raw_cell
  import jupytext
  from jupytext.cli import jupytext
  from jupytext.compare import compare, compare_cells, compare_notebooks
label_desc: Use image node_id 8 for calling a global function with example usage: test_list_in_metadata(cell_metadata) without return types