22546517525
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main: 96%

Ran 01 Mar 2026 03:34PM UTC

Jobs 1

Files 900

Run time 1min

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Committed 01 Mar 2026 03:30PM UTC coverage: 96.097% (-0.005%) from 96.102%

Build # 22546517525

Build Type

Pull #3963

github

Committed by

mo-nathan

Commit Message

Fix flaky MailDeliveryErrorLoggingTest in parallel runs

The test_non_mail_job_failure_not_logged test was flaky because it
asserted the log file had no new content since setup. When running
tests in parallel, other processes writing MAIL debug entries to the
shared email-debug.log caused spurious failures.

Two changes:
- Use byte offset instead of string diffing to isolate new entries,
  avoiding interference from concurrent writes before the offset.
- Assert no DELIVERY FAILED entries rather than asserting the log is
  completely empty, since the test's intent is to verify non-mail
  job errors don't trigger delivery failure logging.

Also removed the teardown that restored/deleted the log file, since
tests no longer modify it and other parallel tests may still be
writing to it.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Pull Request Pull Request #3963: Fix flaky MailDeliveryErrorLoggingTest in parallel runs

Run Details

34275 of 35667 relevant lines covered (96.1%)

678.8 hits per line

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ID	Job ID	Ran	Files	Coverage
1	22546517525.1	01 Mar 2026 03:34PM UTC	900	96.1	GitHub Action Run

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