message: test: fix flexfec test
  Cr-Commit-Position: refs/heads/main@{#37462}
diff: @@ -143,19 +143,13 @@ TEST_F(FlexfecReceiveStreamTest, RecoversPacket) {
  kPayloadBits, kPayloadBits, kPayloadBits, kPayloadBits};
  // clang-format on
  - ::testing::StrictMock<MockRecoveredPacketReceiver> recovered_packet_receiver;
  - FlexfecReceiveStreamImpl receive_stream(Clock::GetRealTimeClock(), config_,
  - &recovered_packet_receiver,
  - &rtt_stats_);
  - receive_stream.RegisterWithTransport(&rtp_stream_receiver_controller_);
  -
  - EXPECT_CALL(recovered_packet_receiver,
  + EXPECT_CALL(recovered_packet_receiver_,
  OnRecoveredPacket(_, kRtpHeaderSize + kPayloadLength[1]));
  - receive_stream.OnRtpPacket(ParsePacket(kFlexfecPacket));
  + receive_stream_->OnRtpPacket(ParsePacket(kFlexfecPacket));
  // Tear-down
  - receive_stream.UnregisterFromTransport();
  + receive_stream_->UnregisterFromTransport();
  }
  } // namespace webrtc
  