[Test] Add accuarcy tset for Qwen2-7B

[zhangxinyuehfad]

What this PR does / why we need it?

Add accuarcy tset for Qwen2-7B
This PR depends on #2330

Does this PR introduce any user-facing change?

How was this patch tested?

• vLLM version: v0.10.2
• vLLM main: vllm-project/vllm@f225ea7

[github-actions]

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[gemini-code-assist]

Code Review

This pull request introduces a new test configuration file for evaluating the accuracy of the Qwen/Qwen2-7B model on the gsm8k task. The configuration appears to be well-formed and consistent with the project's existing testing framework. I have reviewed the changes and found no issues of high or critical severity. As a minor point, please note the typos in the pull request title and description ('accuarcy tset' should be 'accuracy test').