[BUG] Fifo_queue_auto_scale_test gets stuck

[hesuyouren]

Describe the bug

When running 'make test', it will get stuck at fifo_queue_auto_scale_test until timeout.

How to reproduce the bug?

Run 'make test' and see where it gets stuck.

Expected behavior

Get stuck at fifo_queue_auto_scale_test until timeout.

Detailed logs

1: 2020-03-25 14:58:27 INFO jiffy::auto_scaling::auto_scaling_service_handler::auto_scaling(...) ===== Fifo queue auto_scaling ======
1: 2020-03-25 14:58:27 INFO jiffy::auto_scaling::auto_scaling_service_handler::auto_scaling(...) Start 1585162707258148
1: 2020-03-25 14:58:27 INFO jiffy::auto_scaling::auto_scaling_service_handler::auto_scaling(...) Add_replica_chain: 1585162707259560
1: 2020-03-25 14:58:27 INFO jiffy::auto_scaling::auto_scaling_service_handler::auto_scaling(...) Update_partition: 1585162707259869
1: 2020-03-25 14:58:27 INFO jiffy::auto_scaling::auto_scaling_service_handler::auto_scaling(...) A 1585162707258148 1721 1412 309

//Stuck here.

Platform Details

Ubuntu18.04