code: def test_round_trip_markdown_cell_with_magic():
      notebook = new_notebook(
          cells=[
              new_markdown_cell(
                  "IPython has magic commands like\n%quickref"
              )
          ],
          metadata={"jupytext": {"main_language": "python"}},
      )
      text = jupytext.writes(notebook, "py")
      notebook2 = jupytext.reads(text, "py")
      compare_notebooks(notebook2, notebook)
  
imports: 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
label_desc: Use image node_id 32 for calling a global function with example usage: test_round_trip_markdown_cell_with_magic() without return types