Fix flaky test_object_manager.py (#9472)
Fix flaky test_object_manager.py (#9472)


richardliaw/ray,robertnishihara/ray,robertnishihara/ray,pcmoritz/ray-1,ray-project/ray,ray-project/ray,ray-project/ray,richardliaw/ray,robertnishihara/ray,pcmoritz/ray-1,richardliaw/ray,pcmoritz/ray-1,pcmoritz/ray-1,robertnishihara/ray,richardliaw/ray,ray-project/ray,ray-project/ray,richardliaw/ray,robertnishihara/ray,pcmoritz/ray-1,ray-project/ray,robertnishihara/ray,robertnishihara/ray,pcmoritz/ray-1,robertnishihara/ray,pcmoritz/ray-1,pcmoritz/ray-1,robertnishihara/ray,richardliaw/ray,ray-project/ray,richardliaw/ray,ray-project/ray,richardliaw/ray