Change the test QUIC stream id to be the first non reserved stream ID

net/quic/quic_data_stream_test.cc

Index: net/quic/quic_data_stream_test.cc
diff --git a/net/quic/quic_data_stream_test.cc b/net/quic/quic_data_stream_test.cc
index 09854f2a19c4ddaf9bce5bfb1058b471e9a04354..164e7e456b2d11a7eceeac3ed834285b2b732455 100644
--- a/net/quic/quic_data_stream_test.cc
+++ b/net/quic/quic_data_stream_test.cc
@@ -30,7 +30,9 @@ namespace net {
 namespace test {
 namespace {
 
-const QuicConnectionId kStreamId = 3;
+// First non-reserved client stream ID.
+const QuicStreamId kStreamId = 5;
+
 const bool kIsServer = true;
 const bool kShouldProcessData = true;