gfe-relnote: In QUIC, terminate Google QUIC connections (<= v43) similar as IETF QUIC connection. Protected by gfe2_reloadable_flag_quic_terminate_gquic_connection_as_ietf.

Use version_flag to indicate whether the connection is pre or post handshake.

PiperOrigin-RevId: 244349046
Change-Id: I3af6c5f14f12168351c8908bf03eab6c8d24740a
diff --git a/quic/core/http/end_to_end_test.cc b/quic/core/http/end_to_end_test.cc
index e537c73..7a49700 100644
--- a/quic/core/http/end_to_end_test.cc
+++ b/quic/core/http/end_to_end_test.cc
@@ -3348,7 +3348,8 @@
   EXPECT_EQ("", client_->SendSynchronousRequest("/foo"));
 
   if (client_->client()->client_session()->connection()->transport_version() >
-      QUIC_VERSION_43) {
+          QUIC_VERSION_43 ||
+      GetQuicReloadableFlag(quic_terminate_gquic_connection_as_ietf)) {
     EXPECT_EQ(QUIC_HANDSHAKE_FAILED, client_->connection_error());
   } else {
     EXPECT_EQ(QUIC_PUBLIC_RESET, client_->connection_error());