[Quiver] - Test failure in macOS ci run

[cijothomas]

https://github.com/open-telemetry/otel-arrow/actions/runs/21047491588/job/60525526541?pr=1799

stderr ───

thread 'subscriber::registry::tests::next_bundle_blocking_respects_stop_condition' (79613) panicked at crates/quiver/src/subscriber/registry.rs:1355:9:
Should stop reasonably quickly
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Cancelling due to test failure: 2 tests still running
PASS [ 0.018s] (1268/1481) otap-df-quiver subscriber::registry::tests::register_new_subscriber
PASS [ 20.306s] (1269/1481) otap-df-pdata otap::batching_tests::test_simple_batch_metrics
────────────
Summary [ 46.366s] 1269/1481 tests run: 1268 passed, 1 failed, 14 skipped
FAIL [ 0.537s] (1267/1481) otap-df-quiver subscriber::registry::tests::next_bundle_blocking_respects_stop_condition

[AaronRM]

This test is getting removed in #1797 and is failing on an elapsed time threshold (so failure is very likely due to running on a slow CI system). I think we can safely ignore.