code: def test_capture_stdout_input():
      ret_string, code = ufs.capture_stdout(["cat"], input_str="hello!")
      assert code == 0
      assert ret_string.rstrip() == "hello!"
  
file_path: caliban/tests/caliban/util/test_fs.py
imports: import io
  import json
  import os
  import caliban.util.fs
label_desc: Use image node_id 5 for calling a global function with example usage: test_capture_stdout_input() without return types