Files
fusion/scripts/lib/test-quarantine.json
gsxdsm 2b99b365de FN-9141: rescue plugin-runner tests and enforce quarantine lockstep
Rescue the plugin-runner suite before deletion while making quarantine records mechanically consistent.

- preserve logger assertions across worker-reused mock cleanup with a stable hoisted logger
- remove the rescued suite from the quarantine ledger and Vitest exclusion
- enforce ledger-to-exclude lockstep and cover missing or dangling quarantine entries
- document the reproduction evidence, rescue disposition, and strict checker behavior

Files changed:
 .../suite-only-flakes-observed-register.md         |  14 +-
 docs/testing.md                                    |  17 +-
 .../engine/src/__tests__/plugin-runner.test.ts     |  37 ++--
 packages/engine/vitest.config.ts                   |  14 +-
 scripts/__tests__/check-quarantine-ledger.test.mjs | 217 +++++++++---------
 scripts/__tests__/ci-test-shard-timings.test.mjs   |   5 +-
 scripts/check-quarantine-ledger.mjs                | 245 +++++++++++++--------
 scripts/lib/test-quarantine.json                   |  10 +-
 8 files changed, 314 insertions(+), 245 deletions(-)

Fusion-Task-Id: FN-9141

Fusion-Task-Lineage: 5b0549bf-3cc6-495e-bf99-a30a2dffb029

Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>
2026-08-17 05:25:17 -07:00

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{
"$comment": "Flaky-test quarantine ledger (deletion ratchet — see AGENTS.md 'Flaky tests: quarantine on sight' and docs/testing.md 'Quarantine ledger and the deletion ratchet'). A test observed failing without a corresponding real bug is quarantined ON SIGHT: add an entry here AND a matching one-line `exclude` entry in that package's vitest config, in the same commit. Every entry needs a non-empty `reason` (link the failing run) and a `quarantinedAt` date — the entry expires 14 days later, at which point the test file is DELETED unless someone rescues it with evidence it catches real regressions plus a root-cause fix (never appeasement). scripts/check-quarantine-ledger.mjs mechanically verifies this ledger and concrete `exclude:` array entries stay in lockstep.",
"entries": []
}