Fix test expectations which appear to fail with differences in generated proto classes

[scwhittle]

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[gemini-code-assist]

Summary of Changes

Hello @scwhittle, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request aims to improve the stability and reliability of existing tests by refining their assertion logic. Specifically, it modifies tests that examine MonitoringInfo objects, which are likely generated from Protocol Buffers. By replacing intricate Hamcrest matchers with direct equality checks on key properties, the changes prevent test failures caused by subtle variations in generated code or object structures, ensuring tests pass consistently.

Highlights

• Test Assertion Refinement: Refactored test assertions in ProcessBundleHandlerTest.java to use direct assertEquals calls instead of complex Hamcrest matchers.
• Proto Class Compatibility: Addressed potential test flakiness or failures that may arise from differences in generated Protocol Buffer classes by simplifying how MonitoringInfo properties are checked.
• Improved Test Stability: Enhanced the stability of testTimerMetrics() and testStartFinishBundleMetrics() by making assertions more robust and less sensitive to internal object representations.

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[scwhittle]

R: @shunping

[github-actions]

Stopping reviewer notifications for this pull request: review requested by someone other than the bot, ceding control. If you'd like to restart, comment assign set of reviewers

[shunping]

LGTM