sweep+lntest: fix typos

lntest/harness.go

@@ -175,7 +175,7 @@ func (h *HarnessTest) Context() context.Context {
 // node's wallets will be funded wallets with 10x10 BTC outputs each.
 func (h *HarnessTest) SetupStandbyNodes() {
 	h.Log("Setting up standby nodes Alice and Bob...")
-	defer h.Log("Finshed the setup, now running tests...")
+	defer h.Log("Finished the setup, now running tests...")
 
 	lndArgs := []string{
 		"--default-remote-max-htlcs=483",

lntest/harness_node_manager.go

@@ -12,7 +12,7 @@ import (
 	"github.com/lightningnetwork/lnd/lntest/wait"
 )
 
-// nodeManager is responsible for hanlding the start and stop of a given node.
+// nodeManager is responsible for handling the start and stop of a given node.
 // It also keeps track of the running nodes.
 type nodeManager struct {
 	sync.Mutex