message: Increase timeout for test_joiner_network.
  It doesn't fail locally, so probably it's just slower in CI.
diff: @@ -639,7 +639,7 @@ async fn test_joiner_network() {
  .settle_on(
  &mut rng,
  has_passed_by_era(end_era),
  - Duration::from_secs(600),
  + Duration::from_secs(900),
  )
  .await;
  }
  