gh-96021: Explicitly close the IsolatedAsyncioTestCase runner in tests#96135

serhiy-storchaka merged 2 commits intopython:mainpython/cpython:mainfrom

serhiy-storchaka:test-async-case-debug-close-runnerserhiy-storchaka/cpython:test-async-case-debug-close-runnerCopy head branch name to clipboard