message: fix: build break in protocol_packet_test.cc
diff: @@ -125,7 +125,8 @@ TEST_F(ProtocolPacketTest, SerializePacketWithDiffServiceType) {
  for (size_t i = 0; i < serv_types.size(); ++i) {
  RawMessagePtr res =
  GetRawMessage(PROTOCOL_VERSION_3, FRAME_TYPE_CONTROL, serv_types[i]);
  - EXPECT_EQ(PROTOCOL_VERSION_3, res->protocol_version());
  + EXPECT_EQ(static_cast<uint32_t>(PROTOCOL_VERSION_3),
  + res->protocol_version());
  EXPECT_EQ(serv_types[i], res->service_type());
  EXPECT_EQ(PROTOCOL_HEADER_V2_SIZE, res->data_size());
  }
  @@ -146,7 +147,8 @@ TEST_F(ProtocolPacketTest, SerializePacketWithWrongServiceType) {
  for (size_t i = 0; i < serv_types.size(); ++i) {
  RawMessagePtr res =
  GetRawMessage(PROTOCOL_VERSION_3, FRAME_TYPE_CONTROL, serv_types[i]);
  - EXPECT_EQ(PROTOCOL_VERSION_3, res->protocol_version());
  + EXPECT_EQ(static_cast<uint32_t>(PROTOCOL_VERSION_3),
  + res->protocol_version());
  EXPECT_EQ(kInvalidServiceType, res->service_type());
  }
  }
  @@ -156,7 +158,8 @@ TEST_F(ProtocolPacketTest, SetPacketWithDiffFrameType) {
  for (frame_type = FRAME_TYPE_CONTROL + 1; frame_type <= FRAME_TYPE_MAX_VALUE;
  ++frame_type) {
  RawMessagePtr res = GetRawMessage(PROTOCOL_VERSION_3, frame_type, kControl);
  - EXPECT_EQ(PROTOCOL_VERSION_3, res->protocol_version());
  + EXPECT_EQ(static_cast<uint32_t>(PROTOCOL_VERSION_3),
  + res->protocol_version());
  EXPECT_EQ(kControl, res->service_type());
  }
  }
  