itest: add temp fix to bring back btcd build

lntest/itest/assertions.go

@@ -90,6 +90,13 @@ func openChannelAndAssert(t *harnessTest, net *lntest.NetworkHarness,
 		"unable to assert channel existence",
 	)
 
+	// They should also notice this channel from topology subscription.
+	err = alice.WaitForNetworkChannelOpen(fundingChanPoint)
+	require.NoError(t.t, err)
+
+	err = bob.WaitForNetworkChannelOpen(fundingChanPoint)
+	require.NoError(t.t, err)
+
 	return fundingChanPoint
 }
 

lntest/itest/lnd_channel_policy_test.go

@@ -739,6 +739,10 @@ func testUpdateChannelPolicyForPrivateChannel(net *lntest.NetworkHarness,
 	)
 	defer closeChannelAndAssert(t, net, net.Bob, chanPointBobCarol, false)
 
+	// Carol should be aware of the channel between Alice and Bob.
+	err = carol.WaitForNetworkChannelOpen(chanPointAliceBob)
+	require.NoError(t.t, err)
+
 	// Get Bob's funding point.
 	bobChanTXID, err := lnrpc.GetChanPointFundingTxid(chanPointBobCarol)
 	require.NoError(t.t, err, "unable to get txid")