PR to update CI tests with Qwen3 models.

Fixes #6074

Modifications

1. Updated test/srt/models/test_qwen_models.py with Qwen3 models.
2. Updated test/srt/models/test_generation_models.py with Qwen3 models.

Checklist

• Format your code according to the Code Formatting with Pre-Commit.
• Add unit tests as outlined in the Running Unit Tests.
• Update documentation / docstrings / example tutorials as needed, according to Writing Documentation.
• Provide throughput / latency benchmark results and accuracy evaluation results as needed, according to Benchmark and Profiling and Accuracy Results.
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