### What this PR does / why we need it?
This PR adds the first aisbench case for nightly test, it lays a
foundation for following performance and accuracy tests in nightly test.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
By running the test
- vLLM version: v0.11.0rc3
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.0
Signed-off-by: Yikun Jiang <yikunkero@gmail.com>
Co-authored-by: jiangyunfan1 <jiangyunfan1@h-partners.com>