[maccatalyst][mono] System.Globalization.Tests.NumberFormatInfoNumberGroupSizes.NumberGroupSizes_Get_ReturnsExpected fails

[davidnguyen-tech]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1111636&view=results
Build error leg or test failing: System.Globalization.IOS.Tests

Error Message

{ 
    "ErrorMessage": [
"System.Globalization.Tests.NumberFormatInfoNumberGroupSizes.NumberGroupSizes_Get_ReturnsExpected(format: NumberFormatInfo { CurrencyDecimalDigits = 2, CurrencyDecimalSeparator = \".\",",
"CurrencyGroupSeparator = \",\", CurrencyGroupSizes = [3, 2], CurrencyNegativePattern = 1, \u00B7\u00B7\u00B7 }, expected: [3])",
"Expected: [3]",
"Actual:   [3, 2]"
],
    "BuildRetry": false,
    "ErrorPattern": "",
    "ExcludeConsoleLog": false
} 

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1111636
Error message validated: [System.Globalization.Tests.NumberFormatInfoNumberGroupSizes.NumberGroupSizes_Get_ReturnsExpected(format: NumberFormatInfo { CurrencyDecimalDigits = 2, CurrencyDecimalSeparator = ".", CurrencyGroupSeparator = ",", CurrencyGroupSizes = [3, 2], CurrencyNegativePattern = 1, ··· }, expected: [3]) Expected: [3] Actual: [3, 2]]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/18/2025 5:12:11 PM UTC

Report

Build	Definition	Test	Pull Request
1164609	dotnet/runtime	System.Globalization.Tests.NumberFormatInfoNumberGroupSizes.NumberGroupSizes_Get_ReturnsExpected
1159003	dotnet/runtime	System.Globalization.Tests.WorkItemExecution
1147783	dotnet/runtime	System.Globalization.IOS.Tests.WorkItemExecution
1144610	dotnet/runtime	System.Globalization.Tests.WorkItemExecution

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	1	4

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[davidnguyen-tech]

There is a similar issue on macOS: #117421

[davidnguyen-tech]

Last non-failing build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1111091&view=results

Git compare of last non-failing and first failing build: f736e4f...78abe10

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[tarekgh]

CC @matouskozak