gsxdsm c4878514f9 FN-6600: harden core worker-root teardown retries ...

Harden the core Vitest worker-root cleanup path and rescue the related broad-suite quarantines.

- Increase bounded retries for transient ENOTEMPTY/EBUSY worker-root cleanup races.
- Add teardown coverage proving transient ENOTEMPTY retries remove the worker root.
- Remove rescued core quarantine entries from the ledger and Vitest exclude list.
- Document the FN-6600 core cleanup rescue pattern in testing guidance.

Files changed:
 docs/testing.md                                    |  2 ++
 .../core/src/__test-utils__/vitest-teardown.ts     |  7 +++++-
 .../vitest-teardown-worker-root-cleanup.test.ts    | 27 ++++++++++++++++++++++
 packages/core/vitest.config.ts                     |  6 +++--
 scripts/lib/test-quarantine.json                   | 15 ------------
 5 files changed, 39 insertions(+), 18 deletions(-)

Fusion-Task-Id: FN-6600

Fusion-Task-Lineage: 107fb5cf-82c8-4e65-915d-0ef69725369b

2026-06-17 19:19:05 -07:00

1.9 KiB

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