test: header line

[lumixraku]

close #xxx

Pull Request Checklist

• Related tickets or issues have been linked in the PR description (or missing issue).
• Naming convention is followed (do please check it especially when you created new plugins, commands and resources).
• Unit tests have been added for the changes (if applicable).
• Breaking changes have been documented (or no breaking changes introduced in this PR).

[github-actions]

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[github-actions]

Playwright test results

 5 failed
 20 passed

Details

 25 tests across 12 suites
 7 minutes, 21 seconds
 6d3c06f
 For more information, see full report

Failed tests

chromium › memory/memory.spec.ts › memory
chromium › visual-comparison/sheets/sheets-scroll.spec.ts › cells rendering after scrolling
chromium › visual-comparison/sheets/sheets-scroll.spec.ts › rendering after scrolling by API
chromium › visual-comparison/sheets/sheets-visual-comparison.spec.ts › diff demo sheet content
chromium › visual-comparison/sheets/sheets-visual-comparison.spec.ts › diff merged cells rendering

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.

Project coverage is 34.28%. Comparing base (da002ee) to head (6d3c06f).
Report is 2 commits behind head on dev.

Files with missing lines	Patch %	Lines
...ers/render-controllers/freeze.render-controller.ts	0.00%	7 Missing ⚠️
...ets-ui/src/services/selection/selection-control.ts	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##              dev    #4819   +/-   ##
=======================================
  Coverage   34.28%   34.28%           
=======================================
  Files        2609     2609           
  Lines      136266   136266           
  Branches    30290    30289    -1     
=======================================
  Hits        46720    46720           
  Misses      89546    89546           

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