The three store::bucket::tests::bucket_delete_* tests drive make_bucket /
delete_bucket through the process-global local-disk registry
(GLOBAL_LOCAL_DISK_MAP) and lock client, and through Sets::new which reads the
process-global erasure mode. Under `cargo test` (single process, many threads)
they race other global-touching tests and fail deterministically with
InsufficientWriteQuorum.
serial_test's #[serial] with the crate default key serializes them across the
in-process suite. Measured at --test-threads=16: baseline fails all three every
round; with #[serial] all three pass every round. nextest's per-test processes
are covered separately by the ecstore-serial-flaky test-group in
.config/nextest.toml (#4558). Full instance-level isolation remains a backlog
#939 (InstanceContext) concern and is not attempted here.
Co-authored-by: heihutu <heihutu@gmail.com>
houseme
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