test(searchbar): update

[eiinu]

这个 PR 做了什么? (简要描述所做更改)

这个 PR 是什么类型? (至少选择一个)

• [ ] feat: 新特性提交
• [ ] fix: bug 修复
• [ ] docs: 文档改进
• [ ] style: 组件样式/交互改进
• [ ] type: 类型定义更新
• [ ] perf: 性能、包体积优化
• [ ] refactor: 代码重构、代码风格优化
• [ ] test: 测试用例
• [ ] chore(deps): 依赖升级
• [ ] chore(demo): 演示代码改进
• [ ] chore(locale): 国际化改进
• [ ] chore: 其他改动（是关于什么的改动？）

这个 PR 涉及以下平台:

• [ ] NutUI H5 @nutui/nutui
• [ ] NutUI Taro @nutui/nutui-taro

这个 PR 是否已自测:

• [ ] 自测 Vite 脚手架使用 测试仓库
• [ ] 自测 Taro 脚手架使用小程序 & Taro-H5 测试仓库

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 84.04%. Comparing base (2f1b7ba) to head (c82684a).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## v4 #3070 +/- ## ========================================== + Coverage 83.93% 84.04% +0.10% ========================================== Files 225 225 Lines 22953 22952 -1 Branches 2475 2483 +8 ========================================== + Hits 19265 19289 +24 + Misses 3670 3645 -25 Partials 18 18 ```

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