[3.10] bpo-31904: Correct error string in test_file_not_exists() for VxWorks (GH-25965) by miss-islington · Pull Request #25983 · python/cpython

…pythonGH-25965)

The error string on VxWorks is "no such file or directory" for FileNotFoundError. That is, the 1st letter of the error string has lower case.
(cherry picked from commit b063b02)

Co-authored-by: pxinwr <peixing.xin@windriver.com>

mostly to re-trigger a CI run.