diff --git a/cart-grain.go b/cart-grain.go
index 5ffd0ef..0b772fa 100644
--- a/cart-grain.go
+++ b/cart-grain.go
@@ -307,10 +307,6 @@ func (c *CartGrain) HandleMessage(message *Message, isReplay bool) (*FrameWithPa
 		c.mu.Unlock()
 	}
 	result, err := json.Marshal(c)
-	return &FrameWithPayload{
-		Frame: Frame{
-			StatusCode: 200,
-		},
-		Payload: result,
-	}, err
+	msg := MakeFrameWithPayload(RemoteHandleMutationReply, 200, result)
+	return &msg, err
 }
diff --git a/synced-pool_test.go b/synced-pool_test.go
index b90448e..46ca9f7 100644
--- a/synced-pool_test.go
+++ b/synced-pool_test.go
@@ -1,8 +1,11 @@
 package main
 
 import (
+	"log"
 	"testing"
 	"time"
+
+	messages "git.tornberg.me/go-cart-actor/proto"
 )
 
 func TestConnection(t *testing.T) {
@@ -33,14 +36,25 @@ func TestConnection(t *testing.T) {
 	pool.AddRemote("127.0.0.1")
 
 	go pool.Negotiate()
-
-	data, err := pool.Get(ToCartId("kalle"))
+	msg := Message{
+		Type: AddItemType,
+		//TimeStamp: time.Now().Unix(),
+		Content: &messages.AddItem{
+			Quantity: 1,
+			Price:    100,
+			Sku:      "123",
+			Name:     "Test",
+			Image:    "Test",
+		},
+	}
+	data, err := pool.Process(ToCartId("kalle"), msg)
 	if err != nil {
 		t.Errorf("Error getting data: %v", err)
 	}
-	if data == nil {
-		t.Errorf("Expected data, got nil")
+	if data.StatusCode != 200 {
+		t.Errorf("Expected 200")
 	}
+	log.Println(data)
 	time.Sleep(2 * time.Millisecond)
 	data, err = pool.Get(ToCartId("kalle"))
 	if err != nil {