diff --git a/quic/core/qpack/qpack_receive_stream_test.cc b/quic/core/qpack/qpack_receive_stream_test.cc
index bc47d9d..8a8064e 100644
--- a/quic/core/qpack/qpack_receive_stream_test.cc
+++ b/quic/core/qpack/qpack_receive_stream_test.cc
@@ -15,6 +15,7 @@
 
 namespace {
 using ::testing::_;
+using ::testing::AnyNumber;
 using ::testing::StrictMock;
 
 struct TestParams {
@@ -55,6 +56,7 @@
             perspective(),
             SupportedVersions(GetParam().version))),
         session_(connection_) {
+    EXPECT_CALL(session_, OnCongestionWindowChange(_)).Times(AnyNumber());
     session_.Initialize();
     QuicStreamId id = perspective() == Perspective::IS_SERVER
                           ? GetNthClientInitiatedUnidirectionalStreamId(
diff --git a/quic/core/qpack/qpack_send_stream_test.cc b/quic/core/qpack/qpack_send_stream_test.cc
index 63e0f12..2ac3289 100644
--- a/quic/core/qpack/qpack_send_stream_test.cc
+++ b/quic/core/qpack/qpack_send_stream_test.cc
@@ -18,6 +18,7 @@
 
 namespace {
 using ::testing::_;
+using ::testing::AnyNumber;
 using ::testing::Invoke;
 using ::testing::StrictMock;
 
@@ -66,6 +67,7 @@
             perspective(),
             SupportedVersions(GetParam().version))),
         session_(connection_) {
+    EXPECT_CALL(session_, OnCongestionWindowChange(_)).Times(AnyNumber());
     session_.Initialize();
     if (connection_->version().SupportsAntiAmplificationLimit()) {
       QuicConnectionPeer::SetAddressValidated(connection_);