diff --git a/quic/core/frames/quic_stream_frame.cc b/quic/core/frames/quic_stream_frame.cc
index b9413c7..c7626d3 100644
--- a/quic/core/frames/quic_stream_frame.cc
+++ b/quic/core/frames/quic_stream_frame.cc
@@ -43,4 +43,10 @@
   return os;
 }
 
+bool QuicStreamFrame::operator==(const QuicStreamFrame& rhs) const {
+  return fin == rhs.fin && data_length == rhs.data_length &&
+         stream_id == rhs.stream_id && data_buffer == rhs.data_buffer &&
+         offset == rhs.offset;
+}
+
 }  // namespace quic
diff --git a/quic/core/frames/quic_stream_frame.h b/quic/core/frames/quic_stream_frame.h
index 6cd510d..5e7439d 100644
--- a/quic/core/frames/quic_stream_frame.h
+++ b/quic/core/frames/quic_stream_frame.h
@@ -31,6 +31,8 @@
   friend QUIC_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os,
                                                       const QuicStreamFrame& s);
 
+  bool operator==(const QuicStreamFrame& rhs) const;
+
   bool fin;
   QuicPacketLength data_length;
   QuicStreamId stream_id;
diff --git a/quic/core/quic_packet_creator_test.cc b/quic/core/quic_packet_creator_test.cc
index c342235..063a906 100644
--- a/quic/core/quic_packet_creator_test.cc
+++ b/quic/core/quic_packet_creator_test.cc
@@ -2028,16 +2028,13 @@
   MakeIOVector("coalesce", &iov_);
   // frame will be coalesced with the first frame.
   const auto previous_size = creator_.PacketSize();
-  EXPECT_CALL(debug, OnStreamFrameCoalesced(_));
+  QuicStreamFrame target(stream_id1, true, 0, 12);
+  EXPECT_CALL(debug, OnStreamFrameCoalesced(target));
   ASSERT_TRUE(creator_.ConsumeDataToFillCurrentPacket(
       stream_id1, &iov_, 1u, iov_.iov_len, 0u, 4u, true, false,
       NOT_RETRANSMISSION, &frame));
   EXPECT_EQ(frame.stream_frame.data_length,
             creator_.PacketSize() - previous_size);
-  auto queued_frames = QuicPacketCreatorPeer::GetQueuedFrames(&creator_);
-  EXPECT_EQ(1u, queued_frames.size());
-  EXPECT_EQ(12u, queued_frames.front().stream_frame.data_length);
-  EXPECT_TRUE(queued_frames.front().stream_frame.fin);
 
   // frame is for another stream, so it won't be coalesced.
   const auto length = creator_.BytesFree() - 10u;