code: def test_Rmd_to_ipynb(rmd_file, no_jupytext_version_number):
      assert_conversion_same_as_mirror(
          rmd_file, "ipynb", "Rmd_to_ipynb"
      )
  
file_path: jupytext/tests/external/round_trip/test_mirror_external.py
imports: import pytest
  from jupytext.compare import assert_conversion_same_as_mirror
label_desc: Use image node_id 4 for calling a global function with example usage: test_Rmd_to_ipynb(rmd_file, no_jupytext_version_number) without return types