Limits only 16 new QUIC connections can be opened per epoll event.

net/tools/quic/test_tools/quic_dispatcher_peer.cc

Index: net/tools/quic/test_tools/quic_dispatcher_peer.cc
diff --git a/net/tools/quic/test_tools/quic_dispatcher_peer.cc b/net/tools/quic/test_tools/quic_dispatcher_peer.cc
index e7d61cfd600da5dd7dcd94f0290f089fcda55ce7..1f38cb319569b297eeb70e0a241d1341bb9fddb0 100644
--- a/net/tools/quic/test_tools/quic_dispatcher_peer.cc
+++ b/net/tools/quic/test_tools/quic_dispatcher_peer.cc
@@ -73,5 +73,13 @@ const QuicDispatcher::SessionMap& QuicDispatcherPeer::session_map(
   return dispatcher->session_map();
 }
 
+// static
+void QuicDispatcherPeer::set_new_sessions_allowed_per_event_loop(
+    QuicDispatcher* dispatcher,
+    size_t num_session_allowed) {
+  return dispatcher->set_new_sessions_allowed_per_event_loop(
+      num_session_allowed);
+}
+
 }  // namespace test
 }  // namespace net