itest: custom channels flakes fixes

Author: GeorgeTsagk

itest/litd_custom_channels_test.go

@@ -99,7 +99,9 @@ var (
 )
 
 const (
-	fundingAmount = 50_000
+	fundingAmount     = 50_000
+	eventuallyTimeout = time.Second * 30
+	eventuallyTicker  = time.Millisecond * 250
 )
 
 // testCustomChannels tests that we can create a network with custom channels
@@ -386,7 +388,7 @@ func testCustomChannels(_ context.Context, net *NetworkHarness,
 	// ------------
 	// Test case 1: Send a direct keysend payment from Charlie to Dave.
 	// ------------
-	const keySendAmount = 100
+	const keySendAmount = 1000
 	sendAssetKeySendPayment(
 		t.t, charlie, dave, keySendAmount, assetID, fn.None[int64](),
 	)
@@ -395,6 +397,12 @@ func testCustomChannels(_ context.Context, net *NetworkHarness,
 	charlieAssetBalance -= keySendAmount
 	daveAssetBalance += keySendAmount
 
+	require.Eventually(t.t, func() bool {
+		local, _ := getAssetChannelBalance(t.t, dave, assetID, false)
+
+		return local == daveAssetBalance
+	}, eventuallyTimeout, eventuallyTicker)
+
 	// We should be able to send the 100 assets back immediately, because
 	// there is enough on-chain balance on Dave's side to be able to create
 	// an HTLC.
@@ -930,7 +938,7 @@ func testCustomChannelsGroupedAsset(_ context.Context, net *NetworkHarness,
 	// ------------
 	// Test case 1: Send a direct keysend payment from Charlie to Dave.
 	// ------------
-	const keySendAmount = 100
+	const keySendAmount = 1000
 	sendAssetKeySendPayment(
 		t.t, charlie, dave, keySendAmount, assetID, fn.None[int64](),
 	)
@@ -939,6 +947,12 @@ func testCustomChannelsGroupedAsset(_ context.Context, net *NetworkHarness,
 	charlieAssetBalance -= keySendAmount
 	daveAssetBalance += keySendAmount
 
+	require.Eventually(t.t, func() bool {
+		local, _ := getAssetChannelBalance(t.t, dave, assetID, false)
+
+		return local == daveAssetBalance
+	}, eventuallyTimeout, eventuallyTicker)
+
 	// We should be able to send the 100 assets back immediately, because
 	// there is enough on-chain balance on Dave's side to be able to create
 	// an HTLC.