[Test] Add e2e test and accuracy test for Qwen3-Next-80B-A3B-Instruct (#3450)

### What this PR does / why we need it?

Add e2e test and accuracy test for Qwen3-Next-80B-A3B-Instruct

### How was this patch tested?
accuracy test:
https://github.com/vllm-project/vllm-ascend/actions/runs/18771221544/job/53556027634?pr=3450
ci test:
https://github.com/vllm-project/vllm-ascend/actions/runs/18771221530/job/53556027614?pr=3450
<img width="1703" height="562" alt="image"
src="https://github.com/user-attachments/assets/973b6cfa-8240-41e3-893a-5024ff8d0693"
/>



- vLLM version: v0.11.0rc3
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.0

Signed-off-by: hfadzxy <starmoon_zhang@163.com>

.github/workflows/accuracy_test.yaml

@@ -57,6 +57,8 @@ jobs:
             model_name: Qwen3-VL-30B-A3B-Instruct
           - runner: a2-2
             model_name: DeepSeek-V2-Lite
+          - runner: a2-4
+            model_name: Qwen3-Next-80B-A3B-Instruct
       fail-fast: false
     # test will be triggered when tag 'accuracy-test' & 'ready-for-test'
     if:  >-