code: def test_insert_doc():
      new_items = ["infile : str", "    The name of the input file"]
      new_items.extend(
          ["outfile : str", "    The name of the output file"]
      )
      newdoc = insert_doc(fmtd_doc, new_items)
      assert newdoc == inserted_doc
  
imports: from nipype.utils.docparse import reverse_opt_map, build_doc, insert_doc
label_desc: Use image node_id 3 for calling a global function with example usage: test_insert_doc() without return types