[core][test] fix test_usage_lib_get_cluster_config_to_report (#28870)
[core][test] fix test_usage_lib_get_cluster_config_to_report (#28870)

Some failures seen where order returned is not guaranteed:
ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray