lnd_test: add missing node shutdowns

lnd_test.go

@@ -1673,6 +1673,7 @@ func testChannelForceClosure(net *lntest.NetworkHarness, t *harnessTest) {
 	if err != nil {
 		t.Fatalf("unable to create new nodes: %v", err)
 	}
+	defer shutdownAndAssert(net, t, carol)
 
 	// We must let Alice have an open channel before she can send a node
 	// announcement, so we open a channel with Carol,
@@ -4933,6 +4934,7 @@ func testRevokedCloseRetributionZeroValueRemoteOutput(net *lntest.NetworkHarness
 	if err != nil {
 		t.Fatalf("unable to create new nodes: %v", err)
 	}
+	defer shutdownAndAssert(net, t, carol)
 
 	// We must let Alice have an open channel before she can send a node
 	// announcement, so we open a channel with Carol,
@@ -5167,6 +5169,7 @@ func testRevokedCloseRetributionRemoteHodl(net *lntest.NetworkHarness,
 	if err != nil {
 		t.Fatalf("unable to create new nodes: %v", err)
 	}
+	defer shutdownAndAssert(net, t, carol)
 
 	// We'll also create a new node Dave, who will have a channel with
 	// Carol, and also use similar settings so we can broadcast a commit
@@ -5175,6 +5178,7 @@ func testRevokedCloseRetributionRemoteHodl(net *lntest.NetworkHarness,
 	if err != nil {
 		t.Fatalf("unable to create new dave node: %v", err)
 	}
+	defer shutdownAndAssert(net, t, dave)
 
 	// We must let Dave communicate with Carol before they are able to open
 	// channel, so we connect Dave and Carol,