lnwallet/test: execute ifacet tests for each backend in parallel

lnwallet/test/bitcoind/bitcoind_test.go

@@ -0,0 +1,13 @@
+package bitcoind_test
+
+import (
+	"testing"
+
+	lnwallettest "github.com/lightningnetwork/lnd/lnwallet/test"
+)
+
+// TestLightningWallet tests LightningWallet powered by bitcoind against our
+// suite of interface tests.
+func TestLightningWallet(t *testing.T) {
+	lnwallettest.TestLightningWallet(t, "bitcoind")
+}

lnwallet/test/btcd/btcd_test.go

@@ -0,0 +1,13 @@
+package btcd_test
+
+import (
+	"testing"
+
+	lnwallettest "github.com/lightningnetwork/lnd/lnwallet/test"
+)
+
+// TestLightningWallet tests LightningWallet powered by btcd against our suite
+// of interface tests.
+func TestLightningWallet(t *testing.T) {
+	lnwallettest.TestLightningWallet(t, "btcd")
+}

lnwallet/test/neutrino/neutrino_test.go

@@ -0,0 +1,13 @@
+package neutrino_test
+
+import (
+	"testing"
+
+	lnwallettest "github.com/lightningnetwork/lnd/lnwallet/test"
+)
+
+// TestLightningWallet tests LightningWallet powered by neutrino against our
+// suite of interface tests.
+func TestLightningWallet(t *testing.T) {
+	lnwallettest.TestLightningWallet(t, "neutrino")
+}

lnwallet/test/test_interface.go

@@ -1,4 +1,4 @@
-package lnwallettest_test
+package lnwallettest
 
 import (
 	"bytes"
@@ -3086,7 +3086,7 @@ func testSingleFunderExternalFundingTx(miner *rpctest.Harness,
 // below needs to be added which properly initializes the interface.
 //
 // TODO(roasbeef): purge bobNode in favor of dual lnwallet's
-func TestLightningWallet(t *testing.T) {
+func TestLightningWallet(t *testing.T, targetBackEnd string) {
 	t.Parallel()
 
 	// Initialize the harness around a btcd node which will serve as our
@@ -3140,6 +3140,10 @@ func TestLightningWallet(t *testing.T) {
 
 	for _, walletDriver := range lnwallet.RegisteredWallets() {
 		for _, backEnd := range walletDriver.BackEnds() {
+			if backEnd != targetBackEnd {
+				continue
+			}
+
 			if !runTests(t, walletDriver, backEnd, miningNode,
 				rpcConfig, chainNotifier) {
 				return