Add code coverage for ProgressBarRenderer

[Zheng-Li01]

related #10453

Proposed changes

• Add unit tests for ProgressBarRenderer to test its properties: IsSupported， ChunkThickness， ChunkSpaceThickness
• Add unit tests for ProgressBarRenderer to test its methods: DrawHorizontalBar，DrawVerticalBar，DrawHorizontalChunks， DrawVerticalChunks

Customer Impact

• None

Regression?

• No

Risk

• Minimal

Test methodology

• Unit tests

Microsoft Reviewers: Open in CodeFlow

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.37417%. Comparing base (59ee159) to head (5792743).
Report is 5 commits behind head on main.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main      #11074         +/-   ##
===================================================
+ Coverage   73.34756%   73.37417%   +0.02661%     
===================================================
  Files           3094        3095          +1     
  Lines         632670      632446        -224     
  Branches       46956       46861         -95     
===================================================
+ Hits          464048      464052          +4     
+ Misses        165141      164950        -191     
+ Partials        3481        3444         -37     

Flag	Coverage Δ
Debug	73.37417% <100.00000%> (+0.02661%)	⬆️
integration	18.44946% <ø> (-0.00779%)	⬇️
production	46.87164% <ø> (+0.03260%)	⬆️
test	94.98368% <100.00000%> (+0.00122%)	⬆️
unit	43.78113% <ø> (+0.05979%)	⬆️

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[Tanya-Solyanik]

Thank you!