[3.11] Re-enable commented-out test in test_generators.py (GH-104130) (#104261)

Re-enable commented-out test in test_generators.py (GH-104130)
(cherry picked from commit 472938316a85c706c06ad1b3727a205d5bffcb1f)

Co-authored-by: ymki4360 <132453923+ymki4360@users.noreply.github.com>