Mmkwarg test

[MengqingCao]

What this PR does / why we need it?

Does this PR introduce any user-facing change?

How was this patch tested?

• vLLM version: v0.10.2
• vLLM main: vllm-project/vllm@535d800

[github-actions]

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[codecov]

Codecov Report

❌ Patch coverage is 13.01370% with 127 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.95%. Comparing base (1bbb20e) to head (d579b64).
⚠️ Report is 79 commits behind head on main.

Files with missing lines	Patch %	Lines
vllm_ascend/worker/model_runner_v1.py	3.38%	114 Missing ⚠️
vllm_ascend/worker/npu_input_batch.py	58.33%	5 Missing ⚠️
vllm_ascend/spec_decode/mtp_proposer.py	0.00%	3 Missing ⚠️
tests/ut/ops/test_fused_ops.py	50.00%	1 Missing ⚠️
tests/ut/torchair/ops/test_torchair_fused_moe.py	50.00%	1 Missing ⚠️
vllm_ascend/ops/fused_moe.py	66.66%	1 Missing ⚠️
vllm_ascend/platform.py	66.66%	1 Missing ⚠️
vllm_ascend/torchair/ops/torchair_fused_moe.py	66.66%	1 Missing ⚠️

❌ Your patch status has failed because the patch coverage (13.01%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3050      +/-   ##
==========================================
- Coverage   74.76%   71.95%   -2.82%     
==========================================
  Files         150      168      +18     
  Lines       20891    23547    +2656     
==========================================
+ Hits        15620    16943    +1323     
- Misses       5271     6604    +1333     

Flag	Coverage Δ
unittests	71.95% <13.01%> (-2.82%)	⬇️

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[github-actions]

This pull request has conflicts, please resolve those before we can evaluate the pull request.