Use new test.support helper submodules in tests

acb5074

the-knights-who-say-ni added the CLA signed label

bedevere-bot added tests

awaiting review labels

port others testcase to use test helpers

b8fd3c5

shihai1991 requested a review from a team as a code owner

shihai1991 changed the title bpo-40275: Use new test.support helper submodules in test_dbm_ndbm bpo-40275: Use new test.support helper submodules in tests

vstinner added the skip news label

vstinner merged commit c6f282f into python:master

bedevere-bot removed the awaiting review label

shihai1991 added a commit to shihai1991/cpython that referenced this pull request

…21785)

xzy3 pushed a commit to xzy3/cpython that referenced this pull request

…21785)