code: def test_intent_inout(self):
      for s in self._get_input(intent="inout"):
          rest = self._sint(s, start=4)
          r = self.module.test_inout_bytes4(s)
          expected = self._sint(s, end=4)
          assert r == expected
  
          # check that the rest of input string is preserved
          assert rest == self._sint(s, start=4)
  
file_path: catboost/contrib/python/numpy/py3/numpy/f2py/tests/test_string.py
imports: import os
  import pytest
  import textwrap
  import numpy
  from .None import util
label_desc: Use image node_id 4 for calling the TestFixedString obj's underlying member method code with example usage: obj.test_intent_inout() without return types