bpo-33716, test_concurrent_futures: increase timeout (GH-7828)


Increase the timeout from 1 min to 5 min.

Replace also time.time() with time.monotonic() for timeouts.
(cherry picked from commit 3ad8decd76c736f393755537aeb19b5612c21761)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
1 file changed