[3.11] [3.12] gh-111165: Move test running code from test.support to libregrtest (GH-111166) (GH-111316)#111318

serhiy-storchaka merged 1 commit intopython:3.11python/cpython:3.11from

serhiy-storchaka:backport-5c4f9a1-3.11serhiy-storchaka/cpython:backport-5c4f9a1-3.11Copy head branch name to clipboard