code: def test_multiline_comments_in_markdown_1():
      text = """# %% [markdown]
  '''
  a
  long
  cell
  '''
  """
      nb = jupytext.reads(text, "py")
      assert len(nb.cells) == 1
      assert nb.cells[0].cell_type == "markdown"
      assert nb.cells[0].source == "a\nlong\ncell"
      py = jupytext.writes(nb, "py")
      compare(py, text)
  
imports: import os
  import pytest
  from nbformat.v4.nbbase import new_code_cell, new_markdown_cell, new_notebook, new_raw_cell
  import jupytext
  from jupytext.compare import compare, compare_notebooks, notebook_model
label_desc: Use image node_id 10 for calling a global function with example usage: test_multiline_comments_in_markdown_1() without return types