[3.10] bpo-47038: Rewrite missed asyncio.wait_for test to use IsolatedAnsyncioTestCase (GH-31946)#31948

asvetlov merged 1 commit intopython:3.10python/cpython:3.10from

miss-islington:backport-3dd9bfa-3.10miss-islington/cpython:backport-3dd9bfa-3.10Copy head branch name to clipboard