bpo-45280: Add test for empty `NamedTuple` in `test_typing` (GH-28559) (GH-28571)

Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>
(cherry picked from commit f56268a2cd38b3fe2be1e4361d3d8b581e73559b)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
2 files changed