Deats,
- `pytestmark`: enrich `skipon_spawn_backend('subint')` reason with
conc-anal doc refs + GH#379 link, add `reap_subactors_per_test`,
`track_orphaned_uds_per_test`,
`detect_runaway_subactors_per_test` fixtures
- `test_nested_multierrors`: parametrize over `depth` `{1, 3}`, add
MTF `xfail(strict=False)` with detailed race-window comment
explaining the BEG shape mismatch, wrap body in
`fail_after_w_trace` with per-backend timeout budget, bump
`@tractor_test(timeout=10)`, drop old multiprocessing depth
special-casing
- `test_multierror_fast_nursery`: wrap in
`fail_after_w_trace(30.0)`, accept `TooSlowError` in
`pytest.raises`, surface explicit `pytest.fail` on hang
- `test_cancel_while_childs_child_in_sync_sleep`: swap
`spawn_backend` param for `is_forking_spawner`, widen
`fail_after` delay for fork-based spawners
- `test_remote_error`, `test_multierror`,
`test_cancel_infinite_streamer`, `test_some_cancels_all`: add
`set_fork_aware_capture` fixture param
- Drop commented-out per-test `skipon_spawn_backend` blocks (now
covered by module-level `pytestmark`)
(this patch was generated in some part by [`claude-code`][claude-code-gh])
[claude-code-gh]: https://github.com/anthropics/claude-code
Gud Boi
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