[3.9] bpo-45229: Remove test_main in many tests (GH-28405)#28456

serhiy-storchaka merged 2 commits into

python:3.9python/cpython:3.9from

serhiy-storchaka:backport-40348ac-3.9serhiy-storchaka/cpython:backport-40348ac-3.9Copy head branch name to clipboard