[Flaky Test] TestAlloyDBAINLToolEndpoints/MCP_Invoke_my-simple-tool: LLM 返回 "result" 而不是 "number_one"

Cloud Build Failure Reporter 发现 toolbox-test-on-merge (toolbox-testing-438616) 在 59fb2c42180d1eaf8ac74d099263f9c8b783a1bd 处检测到测试失败。请修复错误，然后在 toolbox-test-on-merge (toolbox-testing-438616) 测试通过后关闭此问题。