Merge "rpc/test: Make TestReplayAttack work with separated blessingsFlow."
diff --git a/runtime/internal/flow/manager/manager.go b/runtime/internal/flow/manager/manager.go
index f413de6..01ebcc8 100644
--- a/runtime/internal/flow/manager/manager.go
+++ b/runtime/internal/flow/manager/manager.go
@@ -45,14 +45,14 @@
 
 func NewWithBlessings(ctx *context.T, serverBlessings security.Blessings, rid naming.RoutingID) flow.Manager {
 	m := &manager{
-		rid:             rid,
-		closed:          make(chan struct{}),
-		cache:           NewConnCache(),
-		ctx:             ctx,
-		serverBlessings: serverBlessings,
-		serverNames:     security.BlessingNames(v23.GetPrincipal(ctx), serverBlessings),
+		rid:    rid,
+		closed: make(chan struct{}),
+		cache:  NewConnCache(),
+		ctx:    ctx,
 	}
 	if rid != naming.NullRoutingID {
+		m.serverBlessings = serverBlessings
+		m.serverNames = security.BlessingNames(v23.GetPrincipal(ctx), serverBlessings)
 		m.ls = &listenState{
 			q:         upcqueue.New(),
 			listeners: []flow.Listener{},
diff --git a/services/syncbase/vsync/sync.go b/services/syncbase/vsync/sync.go
index 99a4a6e..60b6b58 100644
--- a/services/syncbase/vsync/sync.go
+++ b/services/syncbase/vsync/sync.go
@@ -229,7 +229,14 @@
 
 	for !s.Closed() {
 		select {
-		case update := <-ch:
+		case update, ok := <-ch:
+			if s.Closed() {
+				break
+			}
+			if !ok {
+				vlog.VI(1).Info("sync: discoverPeers: scan cancelled, stop listening and exit")
+				return
+			}
 			switch u := update.(type) {
 			case discovery.UpdateFound:
 				svc := &u.Value.Service
diff --git a/test/goroutines/goroutines.go b/test/goroutines/goroutines.go
index c83011e..1169906 100644
--- a/test/goroutines/goroutines.go
+++ b/test/goroutines/goroutines.go
@@ -21,6 +21,7 @@
 
 var ignoredGoroutines = []string{
 	"runtime.ensureSigM",
+	"sync.(*WaitGroup).Done",
 }
 
 type Goroutine struct {