[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>

.github/workflows/vllm_ascend_test_nightly_a3.yaml

@@ -60,6 +60,9 @@ jobs:
           - name: deepseek-r1-w8a8-eplb
             os: linux-aarch64-a3-16
             tests: tests/e2e/nightly/models/test_deepseek_r1_w8a8_eplb.py
+          - name: deepseek-r1-w8a8-mtpx
+            os: linux-aarch64-a3-16
+            tests: tests/e2e/nightly/features/test_mtpx_deepseek_r1_0528_w8a8.py
           - name: qwen2-5-vl-7b
             os: linux-aarch64-a3-4
             tests: tests/e2e/nightly/models/test_qwen2_5_vl_7b.py