[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>

tests/e2e/models/configs/Qwen3-Next-80B-A3B-Instruct.yaml

@@ -0,0 +1,15 @@
+model_name: "Qwen/Qwen3-Next-80B-A3B-Instruct"
+hardware: "Atlas A2 Series"
+model: "vllm"
+tasks:
+- name: "ceval-valid_accountant"
+  metrics:
+  - name: "acc,none"
+    value: 0.98
+max_model_len: 4096
+tensor_parallel_size: 4
+gpu_memory_utilization: 0.7
+enable_expert_parallel: True
+enforce_eager: True
+batch_size: 1
+num_fewshot: 5