code: def test_positional_only_arguments(works_ge_py38, param_code):
      works_ge_py38.parse("def x(%s): pass" % param_code)
  
imports: from textwrap import dedent
  import pytest
  from parso import parse
  from parso.python import tree
  from parso.utils import split_lines
label_desc: Use image node_id 19 for calling a global function with example usage: test_positional_only_arguments(works_ge_py38, param_code) without return types