[3.12] gh-60283: Check for redefined test names in CI (GH-109161) (#109365)

* gh-60283: Check for redefined test names in CI (GH-109161)
(cherry picked from commit 3cb9a8edca6e3fa0f0045b03a9a6444cf8f7affe)

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

* Update exclude list for 3.12

* Explicitly exclude files which failed to lint/parse

* Sort to avoid future merge conflicts

---------

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>