[Test] Fix Smoke Test `test-skyserve-fast-update` #16272

Job	Run time
python-test (3.8, tests/unit_tests)	6m 43s
python-test (3.8, tests/test_api.py)	3m 50s
python-test (3.8, tests/test_cli.py)	4m 8s
python-test (3.8, tests/test_config.py)	4m 12s
python-test (3.8, tests/test_global_user_state.py)	6m 17s
python-test (3.8, tests/test_jobs.py)	4m 18s
python-test (3.8, tests/test_list_accelerators.py)	4m 14s
python-test (3.8, tests/test_optimizer_dryruns.py)	5m 40s
python-test (3.8, tests/test_optimizer_random_dag.py)	4m 54s
python-test (3.8, tests/test_storage.py)	3m 53s
python-test (3.8, tests/test_wheels.py)	3m 52s
python-test (3.8, tests/test_jobs_and_serve.py)	3m 47s
python-test (3.8, tests/test_yaml_parser.py)	3m 49s
	59m 37s

Provide feedback