[3.10] bpo-45229: Remove test_main in many tests (GH-28405)#28455

serhiy-storchaka merged 1 commit intopython:3.10python/cpython:3.10from

serhiy-storchaka:backport-40348ac-3.10serhiy-storchaka/cpython:backport-40348ac-3.10Copy head branch name to clipboard