tests/conftest: Keep mypy happy regardless hypothesis version
Same fix as in rDCORE76360cc7614f056fc789becf67b138ad7b12bf5f
Migrated from D5476 (view on Phabricator)
Same fix as in rDCORE76360cc7614f056fc789becf67b138ad7b12bf5f
Migrated from D5476 (view on Phabricator)