[3.13] gh-87298: Add tests for find_in_strong_cache() bug in _zoneinfo (GH-24829) (GH-136182)

(cherry picked from commit 12ce16bc134a602d2ac8acde86ae69f70183cb9f)

Co-authored-by: Zackery Spytz <[email protected]>
Co-authored-by: Paul Ganssle <[email protected]>
Co-authored-by: Serhiy Storchaka <[email protected]>
1 file changed