docs: state that `background_worker_now_override` is for testing only
@@ -382,7 +382,7 @@ pub struct Db {
/// TODO: Move write buffer read loop out of Db.
no_write_buffer_read: AtomicBool,
- /// Mocked `Instant::now()` for the background worker
+ /// TESTING ONLY: Mocked `Instant::now()` for the background worker
background_worker_now_override: Mutex<Option<Instant>>,
}
