### What this PR does / why we need it?
Add ut for test_communicator.py
- vLLM version: v0.10.0
- vLLM main:
e5ebeeba53
Signed-off-by: yangqinghao-cmss <yangqinghao_yewu@cmss.chinamobile.com>
### What this PR does / why we need it?
Add ut for test_communicator.py
- vLLM version: v0.10.0
- vLLM main:
e5ebeeba53
Signed-off-by: yangqinghao-cmss <yangqinghao_yewu@cmss.chinamobile.com>