diff --git a/pkg/router/route_group_test.go b/pkg/router/route_group_test.go
index 7b71d7d04..ba77444a8 100644
--- a/pkg/router/route_group_test.go
+++ b/pkg/router/route_group_test.go
@@ -60,8 +60,8 @@ func TestRouteGroup_Read(t *testing.T) {
 	rg1 = createRouteGroup()
 	rg2 := createRouteGroup()
 
-	_, _, closeFunc := createTransports(t, rg1, rg2)
-	defer closeFunc()
+	_, _, teardown := createTransports(t, rg1, rg2)
+	defer teardown()
 
 	go func() {
 		rg1.readCh <- msg1
@@ -93,8 +93,8 @@ func TestRouteGroup_Write(t *testing.T) {
 	rg1 = createRouteGroup()
 	rg2 := createRouteGroup()
 
-	m1, m2, closeFunc := createTransports(t, rg1, rg2)
-	defer closeFunc()
+	m1, m2, teardown := createTransports(t, rg1, rg2)
+	defer teardown()
 
 	_, err = rg1.Write(msg1)
 	require.NoError(t, err)
@@ -148,13 +148,40 @@ func TestRouteGroup_SetDeadline(t *testing.T) {
 
 func TestRouteGroup_TestConn(t *testing.T) {
 	mp := func() (c1, c2 net.Conn, stop func(), err error) {
-		c1 = createRouteGroup()
-		c2 = createRouteGroup()
+		rg1 := createRouteGroup()
+		rg2 := createRouteGroup()
+
+		c1, c2 = rg1, rg2
+
+		m1, m2, teardownEnv := createTransports(t, rg1, rg2)
+		ctx, cancel := context.WithCancel(context.Background())
+
+		pushPackets := func(from *transport.Manager, to *RouteGroup) {
+			for {
+				select {
+				case <-ctx.Done():
+					return
+				default:
+					packet, err := from.ReadPacket()
+					assert.NoError(t, err)
+					select {
+					case <-ctx.Done():
+						return
+					case to.readCh <- packet.Payload():
+					}
+				}
+			}
+		}
+
+		go pushPackets(m1, rg1)
+		go pushPackets(m2, rg2)
+
 		stop = func() {
+			cancel()
+			teardownEnv()
 			assert.NoError(t, c1.Close())
 			assert.NoError(t, c2.Close())
 		}
-		err = nil
 		return
 	}
 	nettest.TestConn(t, mp)
@@ -173,7 +200,7 @@ func createRouteGroup() *RouteGroup {
 	return rg
 }
 
-func createTransports(t *testing.T, rg1, rg2 *RouteGroup) (m1, m2 *transport.Manager, closeFunc func()) {
+func createTransports(t *testing.T, rg1, rg2 *RouteGroup) (m1, m2 *transport.Manager, teardown func()) {
 	tpDisc := transport.NewDiscoveryMock()
 	keys := snettest.GenKeyPairs(2)