code: def test_notebook_with_collapsed_cell(
      notebook_with_collapsed_cell, fmt_with_cell_metadata
  ):
      text = jupytext.writes(
          notebook_with_collapsed_cell, fmt_with_cell_metadata
      )
      assert "MarkdownHeadingCollapsed" in text
      nb = jupytext.reads(text, fmt=fmt_with_cell_metadata)
      compare_notebooks(
          nb, notebook_with_collapsed_cell, fmt=fmt_with_cell_metadata
      )
  
imports: import pytest
  from nbformat.v4.nbbase import new_code_cell, new_markdown_cell
  import jupytext
  from jupytext.cell_metadata import _IGNORE_CELL_METADATA, RMarkdownOptionParsingError, is_valid_metadata_key, metadata_to_rmd_options, metadata_to_text, parse_key_equal_value, parse_rmd_options, rmd_options_to_metadata, text_to_metadata, try_eval_metadata
  from jupytext.combine import combine_inputs_with_outputs
  from jupytext.compare import compare, compare_notebooks
  from jupytext.metadata_filter import filter_metadata
label_desc: Use image node_id 31 for calling a global function with example usage: test_notebook_with_collapsed_cell(notebook_with_collapsed_cell, fmt_with_cell_metadata) without return types