Refleak in test_pytype_fromspec_with_repeated_slots (test_capi)

[iritkatriel]

% ./python.exe 
Python 3.12.0a0 (heads/main:3473817106, Jun 12 2022, 15:19:26) [Clang 13.1.6 (clang-1316.0.21.2.5)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> quit()

% ./python.exe -m test -R3:3 -v test_capi -m test_pytype_fromspec_with_repeated_slots

[...]

test_capi leaked [6, 6, 6] references, sum=18
test_capi failed (reference leak)

== Tests result: FAILURE ==

1 test failed:
    test_capi

[iritkatriel]

CC @encukou

This is a new test, added in:

Author: Petr Viktorin encukou@gmail.com
Date: Fri Jun 10 15:55:09 2022 +0200

gh-93466: Document PyType_Spec doesn't accept repeated slot IDs; raise where this was problematic (GH-93471)

[corona10]

Resolved by #93749

[encukou]

Thank you!