gfe-relnote: (n/a) Deflake quic_endpoint_test. Test only.

PiperOrigin-RevId: 250938640
Change-Id: I121a4ad9d03c05021d5d6deddebef0df38e5b865

quic/test_tools/simulator/quic_endpoint_test.cc

diff --git a/quic/test_tools/simulator/quic_endpoint_test.cc b/quic/test_tools/simulator/quic_endpoint_test.cc
index 5382eb5..74b48ba 100644
--- a/quic/test_tools/simulator/quic_endpoint_test.cc
+++ b/quic/test_tools/simulator/quic_endpoint_test.cc
@@ -189,7 +189,7 @@
   endpoint_b->AddBytesToTransfer(2 * 1024 * 1024);
   endpoint_c->AddBytesToTransfer(2 * 1024 * 1024);
   QuicTime end_time =
-      simulator_.GetClock()->Now() + QuicTime::Delta::FromSeconds(10);
+      simulator_.GetClock()->Now() + QuicTime::Delta::FromSeconds(12);
   simulator_.RunUntil(
       [this, end_time]() { return simulator_.GetClock()->Now() >= end_time; });