### What this PR does / why we need it?
This PR adds full graph for multimodal nightly test, we need to maintain
this senario
### How was this patch tested?
by running the test
- vLLM version: v0.11.0
- vLLM main:
83f478bb19
Signed-off-by: jiangyunfan1 <jiangyunfan1@h-partners.com>