feat: 更新 picker 的测试

[DiamondYuan]

No description provided.

[github-actions]

🎊 PR Preview a998781 has been successfully built and deployed to https://ant-design-ant-design-mini-preview-pr-958.surge.sh

🕐 Build time: 227.832s

_{🤖 By surge-preview}

[codecov]

Codecov Report

Attention: 9 lines in your changes are missing coverage. Please review.

Comparison is base (f4b5d58) 80.57% compared to head (a998781) 80.25%.
Report is 3 commits behind head on master.

Files	Patch %	Lines
compiled/alipay/src/Calendar/index.ts	80.95%	3 Missing and 1 partial ⚠️
compiled/alipay/src/Picker/utils.ts	97.61%	2 Missing ⚠️
compiled/alipay/src/Stepper/index.ts	94.73%	2 Missing ⚠️
compiled/alipay/src/Popover/index.ts	85.71%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #958      +/-   ##
==========================================
- Coverage   80.57%   80.25%   -0.32%     
==========================================
  Files          86       85       -1     
  Lines        2337     2279      -58     
  Branches      636      626      -10     
==========================================
- Hits         1883     1829      -54     
+ Misses        376      373       -3     
+ Partials       78       77       -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.