Disable a flaky MOQT test assertion.

PiperOrigin-RevId: 830933554
diff --git a/quiche/quic/moqt/test_tools/moqt_simulator_test.cc b/quiche/quic/moqt/test_tools/moqt_simulator_test.cc
index f562659..6553e01 100644
--- a/quiche/quic/moqt/test_tools/moqt_simulator_test.cc
+++ b/quiche/quic/moqt/test_tools/moqt_simulator_test.cc
@@ -47,9 +47,13 @@
   simulator.Run();
   EXPECT_GE(simulator.received_on_time_fraction(), 0.8f);
   EXPECT_LT(simulator.received_on_time_fraction(), 0.99f);
+  // TODO(vasilvv): re-enable once rate adaptation works well enough so that
+  // this is no longer flaky.
+#if 0
   EXPECT_GT(CountEventType(simulator.client_trace(),
                            EventType::MOQT_TARGET_BITRATE_SET),
             0);
+#endif
 
   quic::QuicConnectionStats stats =
       simulator.client_quic_session()->connection()->GetStats();