Fix macOS default LabeledContentStyle UI test case

[Kyle-Ye]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 82 lines in your changes missing coverage. Please review.
✅ Project coverage is 31.00%. Comparing base (39c59d9) to head (9333857).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...ew/LabelContent/AutomaticLabeledContentStyle.swift	0.00%	66 Missing ⚠️
Sources/OpenSwiftUI/View/List/ListStyle.swift	0.00%	12 Missing ⚠️
...iew/LabelContent/AccessibilityLabeledContent.swift	0.00%	2 Missing ⚠️
...elContent/LeadingTrailingLabeledContentStyle.swift	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #608      +/-   ##
==========================================
- Coverage   31.08%   31.00%   -0.08%     
==========================================
  Files         537      538       +1     
  Lines       32054    32123      +69     
==========================================
- Hits         9964     9960       -4     
- Misses      22090    22163      +73     

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