Bug report

Bug description:

#110713 unconditionally imports test.support.interpreters which imports _xxsubinterpreters which fails since it isn't provided.

This doesn't fail on main because it has a guard against the import:

CPython versions tested on:

3.12

Operating systems tested on:

Other

Linked PRs

• [3.12] gh-112503: Fix test_sys on WASI #112505