[3.10] bpo-43988: Add test.support.check_disallow_instantiation() (GH-25757)#26885

Merged

miss-islington merged 5 commits intopython:3.10from

erlend-aasland:backport-4f72526-3.10

Jun 23, 2021

Commits on Jun 23, 2021

[3.10] bpo-43988: Add test.support.check_disallow_instantiation() (GH-25757).
Erlend Egeberg Aasland
committed
bpo-43988: Document test.support.check_disallow_instantiation() (GH-26394)
Erlend Egeberg Aasland
committed
bpo-43988: Use check disallow instantiation helper (GH-26392)
Erlend Egeberg Aasland
committed
Include sqlite3 test backported in GH-26567
Erlend E. Aasland
committed
Address review: fix versionadded
Erlend E. Aasland
committed