### What this PR does / why we need it?
1. Remove the return statement, it will always skip following logic.
2. Update `deepseek` to `Qwen2.5-Instruct` for OOM in github e2e test
env.
3. Fix the comparison logic
### Does this PR introduce _any_ user-facing change?
NO.
### How was this patch tested?
Local Test.
- vLLM version: v0.10.0
- vLLM main:
0933f9d518
Signed-off-by: xleoken <xleoken@163.com>