prisma-risk / tsoracle / 26267013454

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tests(stress): remove root and sanitizer fragility from three tests (#80)

Three tests in the stress crate failed when running the workspace
suite as root inside Docker or under nightly LeakSanitizer + QEMU
emulation. Each made an environmental assumption that breaks outside
the GitHub ubuntu-latest x86_64 sandbox CI is tuned against — none
are bugs in product code.

- open_log_store_errors_on_bad_path: asserted a write to a
  /nonexistent-root path would fail. Root inside a container bypasses
  DAC checks and the write succeeds. Use a path whose ancestor is a
  regular file so mkdir_p fails with ENOTDIR for any uid.

- client_task_round_trip_against_real_server: granted the loadgen
  task a fixed 200ms wall-clock budget for warmup + first RPC. Under
  LSan + emulation, first-RPC latency easily exceeds that. Insert a
  counting forwarder between the task and the supervisor and poll
  for the first issued sample with a 30s ceiling; the loop exits as
  soon as progress shows.

- kill_leader_triggers_reelection: polled 2s for a new leader after
  killing the original (election timeout 300-600ms). Same compound
  slowdown can stretch raft worker scheduling past that window.
  Widen to a 30s deadline; still exits as soon as a new leader is
  observed.

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