code: def test_inactive_cell(
      text="""```python active="md"
  # This becomes a raw cell in Jupyter
  ```
  """,
      expected=new_notebook(
          cells=[
              new_raw_cell(
                  "# This becomes a raw cell in Jupyter",
                  metadata={"active": "md"},
              )
          ]
      ),
  ):
      nb = jupytext.reads(text, "md")
      compare_notebooks(nb, expected)
      text2 = jupytext.writes(nb, "md")
      compare(text2, text)
  
imports: from nbformat.v4.nbbase import new_code_cell, new_markdown_cell, new_notebook, new_raw_cell
  import jupytext
  from jupytext.combine import combine_inputs_with_outputs
  from jupytext.compare import compare, compare_cells, compare_notebooks
label_desc: Use image node_id 23 for calling a global function with example usage: test_inactive_cell(text, expected) without return types