[TEST]Update nightly cases and add mtpx (#4111)

### What this PR does / why we need it?
This PR updates some nightly test cases and adds mtpx cases, we need to
test them daily
### Does this PR introduce _any_ user-facing change?
No
### 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>

tests/e2e/nightly/models/test_qwq_32b.py

@@ -56,9 +56,9 @@ aisbench_cases = [{
     "dataset_path": "vllm-ascend/GSM8K-in3500-bs400",
     "request_conf": "vllm_api_stream_chat",
     "dataset_conf": "gsm8k/gsm8k_gen_0_shot_cot_str_perf",
-    "num_prompts": 176,
+    "num_prompts": 240,
     "max_out_len": 1500,
-    "batch_size": 44,
+    "batch_size": 60,
     "baseline": 1,
     "threshold": 0.97
 }]
@@ -75,9 +75,8 @@ async def test_models(model: str, mode: str, tp_size: int) -> None:
         "OMP_PROC_BIND": "false",
         "HCCL_OP_EXPANSION_MODE": "AIV",
         "VLLM_ASCEND_ENABLE_FLASHCOMM": "1",
-        "VLLM_ASCEND_ENABLE_TOPK_OPTIMIZE": "1",
         "VLLM_ASCEND_ENABLE_DEBSE_OPTIMIZE": "1",
-        "VLLM_ASCEND_ENABLE_PREFETCH": "1"
+        "VLLM_ASCEND_ENABLE_PREFETCH_MLP": "1"
     }
     server_args = [
         "--tensor-parallel-size",