Fix stream server test time advancing

This fails a chromium build bot,
https://bugs.chromium.org/p/chromium/issues/detail?id=1354087

PiperOrigin-RevId: 468619463

quiche/quic/tools/quic_simple_server_stream_test.cc

diff --git a/quiche/quic/tools/quic_simple_server_stream_test.cc b/quiche/quic/tools/quic_simple_server_stream_test.cc
index 92d06bd..1702ea1 100644
--- a/quiche/quic/tools/quic_simple_server_stream_test.cc
+++ b/quiche/quic/tools/quic_simple_server_stream_test.cc
@@ -261,7 +261,7 @@
         session_.config(), kMinimumFlowControlSendWindow);
     QuicConfigPeer::SetReceivedMaxUnidirectionalStreams(session_.config(), 10);
     session_.OnConfigNegotiated();
-    connection_->AdvanceTime(QuicTime::Delta::FromSeconds(1));
+    simulator_.RunFor(QuicTime::Delta::FromSeconds(1));
   }
 
   const std::string& StreamBody() { return stream_->body(); }