Fix flaky reputation change test (#7550)

* Fix flaky reputation change test

* Remove fixme

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

---------

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: parity-processbot <>

node/network/bitfield-distribution/src/tests.rs

@@ -428,8 +428,6 @@ fn receive_duplicate_messages() {
 }
 
 #[test]
-// FIXME <https://github.com/paritytech/polkadot/issues/7407>
-#[cfg(feature = "enable-flaky")]
 fn delay_reputation_change() {
 	use polkadot_node_subsystem_util::reputation::add_reputation;
 
@@ -471,7 +469,7 @@ fn delay_reputation_change() {
 	let pool = sp_core::testing::TaskExecutor::new();
 	let (ctx, mut handle) = make_subsystem_context::<BitfieldDistributionMessage, _>(pool);
 	let mut rng = dummy_rng();
-	let reputation_interval = Duration::from_millis(1);
+	let reputation_interval = Duration::from_millis(100);
 
 	let bg = async move {
 		let subsystem = BitfieldDistribution::new(Default::default());