tests/test_cookers: Fix naive datetime for git_loader visit date
Some tests are now failing since rDMOD6dd6acecc8297f8c9f77bdae0ccd291ceabdfd8e.
Migrated from D3801 (view on Phabricator)
Some tests are now failing since rDMOD6dd6acecc8297f8c9f77bdae0ccd291ceabdfd8e.
Migrated from D3801 (view on Phabricator)