lnwallet: properly set FeeEstimator within integration tests

lnwallet/interface_test.go

@@ -1329,6 +1329,7 @@ func TestLightningWallet(t *testing.T) {
 				DataDir:      tempTestDir,
 				NetParams:    netParams,
 				ChainSource:  chainRpc,
+				FeeEstimator: lnwallet.StaticFeeEstimator{FeeRate: 250},
 			}
 			wc, err = walletDriver.New(btcwalletConfig)
 			if err != nil {