face: eliminate Transport::Packet wrapper type

Refs: #4843
Change-Id: I5977be55e8bdac33c989e3b8523fea764f304c37
diff --git a/tests/daemon/face/multicast-udp-transport-fixture.hpp b/tests/daemon/face/multicast-udp-transport-fixture.hpp
index cdcb26a..99d039c 100644
--- a/tests/daemon/face/multicast-udp-transport-fixture.hpp
+++ b/tests/daemon/face/multicast-udp-transport-fixture.hpp
@@ -111,7 +111,7 @@
   sendToGroup(udp::socket& sock, const std::vector<uint8_t>& buf, bool needToCheck = true) const
   {
     sock.async_send_to(boost::asio::buffer(buf), remoteMcastEp,
-      [needToCheck] (const boost::system::error_code& error, size_t) {
+      [needToCheck] (const auto& error, size_t) {
         if (needToCheck) {
           BOOST_REQUIRE_EQUAL(error, boost::system::errc::success);
         }
@@ -123,7 +123,7 @@
   MulticastUdpTransport* transport;
   udp::endpoint mcastEp;
   uint16_t txPort;
-  std::vector<Transport::Packet>* receivedPackets;
+  std::vector<RxPacket>* receivedPackets;
 
 private:
   unique_ptr<Face> face;