bpo-42553: Fix test_asyncio.test_call_later() (GH-23627)


Fix test_asyncio.test_call_later() race condition: don't measure
asyncio performance in the call_later() unit test. The test failed
randomly on the CI.
(cherry picked from commit 7e5e13d113798117d5ef25c5ffdbd0eb39420f98)

Co-authored-by: Victor Stinner <vstinner@python.org>
2 files changed