[CI Postmortem] monotouch_ios test job failing across multiple PRs

[rolfbjarne]

Summary

The monotouch_ios test job is failing across 9 different PRs (15 builds) in the last week, without producing TestSummary artifacts.

Classification

• Category: Flaky/Infrastructure
• Impact: 9 PRs, 15 builds
• Period: Last 7 days

Affected PRs

PR	Build
#25077	13890303, 13883308
#25079	13897808
#25105	13882756
#25146	13895621
#25183	(in builds for this PR)
#25186	13875102
#25195	13898034, 13888511
#25197	13894918
#25203	13894079

Pattern

Same pattern as monotouch_macos — jobs fail without TestSummary artifacts, indicating test runner crashes or timeouts.

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Filed automatically by CI postmortem analysis.

[rolfbjarne]

Closing: re-filing with deeper per-test analysis.