### What this PR does / why we need it?
Use base test to avoid patch everwhere.
Followup here: https://github.com/vllm-project/vllm-ascend/pull/1566
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
ut ci passed
- vLLM version: v0.9.2
- vLLM main:
8d0a01a5f2
Signed-off-by: Yikun Jiang <yikunkero@gmail.com>
### What this PR does / why we need it?
test kv data transfer contains connect,pipe,buffer
### Does this PR introduce _any_ user-facing change?
N/A
### How was this patch tested?
CI passed with new added test.
---------
Signed-off-by: lixudong <lixudong@cmss.chinamobile.com>
Signed-off-by: MengqingCao <cmq0113@163.com>
Co-authored-by: lixudong <lixudong@cmss.chinamobile.com>
Co-authored-by: MengqingCao <cmq0113@163.com>
