Move test_joblib back to new_scheduler_broken category (#11872)

python/ray/tests/BUILD

@@ -25,7 +25,6 @@ py_test_module_list(
     "test_error_ray_not_initialized.py",
     "test_gcs_fault_tolerance.py",
     "test_iter.py",
-    "test_joblib.py",
     "test_resource_demand_scheduler.py",
   ],
   size = "medium",
@@ -42,6 +41,7 @@ py_test_module_list(
     "test_dynres.py",
     "test_global_gc.py",
     "test_global_state.py",
+    "test_joblib.py",
   ],
   size = "medium",
   extra_srcs = SRCS,