Remove tests for the deprecated kB201 connection option from BBR2 and BBR3 simulator tests.

PiperOrigin-RevId: 908754036

quiche/quic/core/congestion_control/bbr2_simulator_test.cc

diff --git a/quiche/quic/core/congestion_control/bbr2_simulator_test.cc b/quiche/quic/core/congestion_control/bbr2_simulator_test.cc
index d648695..0efed58 100644
--- a/quiche/quic/core/congestion_control/bbr2_simulator_test.cc
+++ b/quiche/quic/core/congestion_control/bbr2_simulator_test.cc
@@ -531,25 +531,6 @@
   EXPECT_APPROX_EQ(params.RTT(), rtt_stats()->min_rtt(), 0.2f);
 }
 
-TEST_F(Bbr2DefaultTopologyTest, SimpleTransferB201) {
-  SetConnectionOption(kB201);
-  DefaultTopologyParams params;
-  CreateNetwork(params);
-
-  // Transfer 12MB.
-  DoSimpleTransfer(12 * 1024 * 1024, QuicTime::Delta::FromSeconds(35));
-  EXPECT_TRUE(Bbr2ModeIsOneOf({Bbr2Mode::PROBE_BW, Bbr2Mode::PROBE_RTT}));
-
-  EXPECT_APPROX_EQ(params.BottleneckBandwidth(),
-                   sender_->ExportDebugState().bandwidth_hi, 0.01f);
-
-  EXPECT_LE(sender_loss_rate_in_packets(), 0.05);
-  // The margin here is high, because the aggregation greatly increases
-  // smoothed rtt.
-  EXPECT_GE(params.RTT() * 4, rtt_stats()->smoothed_rtt());
-  EXPECT_APPROX_EQ(params.RTT(), rtt_stats()->min_rtt(), 0.2f);
-}
-
 TEST_F(Bbr2DefaultTopologyTest, SimpleTransferB206) {
   SetConnectionOption(kB206);
   DefaultTopologyParams params;
@@ -714,28 +695,6 @@
   EXPECT_APPROX_EQ(params.RTT(), rtt_stats()->min_rtt(), 0.2f);
 }
 
-TEST_F(Bbr2DefaultTopologyTest, SimpleTransfer2RTTAggregationBytesB201) {
-  SetConnectionOption(kB201);
-  DefaultTopologyParams params;
-  CreateNetwork(params);
-  // 2 RTTs of aggregation, with a max of 10kb.
-  EnableAggregation(10 * 1024, 2 * params.RTT());
-
-  // Transfer 12MB.
-  DoSimpleTransfer(12 * 1024 * 1024, QuicTime::Delta::FromSeconds(35));
-  EXPECT_TRUE(Bbr2ModeIsOneOf({Bbr2Mode::PROBE_BW, Bbr2Mode::PROBE_RTT}));
-
-  // TODO(wub): Tighten the error bound once BSAO is default enabled.
-  EXPECT_APPROX_EQ(params.BottleneckBandwidth(),
-                   sender_->ExportDebugState().bandwidth_hi, 0.5f);
-
-  EXPECT_LE(sender_loss_rate_in_packets(), 0.01);
-  // The margin here is high, because both link level aggregation and ack
-  // decimation can greatly increase smoothed rtt.
-  EXPECT_GE(params.RTT() * 5, rtt_stats()->smoothed_rtt());
-  EXPECT_APPROX_EQ(params.RTT(), rtt_stats()->min_rtt(), 0.2f);
-}
-
 TEST_F(Bbr2DefaultTopologyTest, SimpleTransferAckDecimation) {
   SetConnectionOption(kBSAO);
   DefaultTopologyParams params;

quiche/quic/core/congestion_control/bbr3_simulator_test.cc

diff --git a/quiche/quic/core/congestion_control/bbr3_simulator_test.cc b/quiche/quic/core/congestion_control/bbr3_simulator_test.cc
index c8b625f..d220de5 100644
--- a/quiche/quic/core/congestion_control/bbr3_simulator_test.cc
+++ b/quiche/quic/core/congestion_control/bbr3_simulator_test.cc
@@ -439,25 +439,6 @@
   EXPECT_APPROX_EQ(params.RTT(), rtt_stats()->min_rtt(), 0.2f);
 }
 
-TEST_F(Bbr3DefaultTopologyTest, SimpleTransferB201) {
-  SetConnectionOption(kB201);
-  DefaultTopologyParams params;
-  CreateNetwork(params);
-
-  // Transfer 12MB.
-  DoSimpleTransfer(12 * 1024 * 1024, QuicTime::Delta::FromSeconds(35));
-  EXPECT_TRUE(Bbr3ModeIsOneOf({Bbr2Mode::PROBE_BW, Bbr2Mode::PROBE_RTT}));
-
-  EXPECT_APPROX_EQ(params.BottleneckBandwidth(),
-                   sender_->ExportDebugState().bandwidth_hi, 0.01f);
-
-  EXPECT_LE(sender_loss_rate_in_packets(), 0.05);
-  // The margin here is high, because the aggregation greatly increases
-  // smoothed rtt.
-  EXPECT_GE(params.RTT() * 4, rtt_stats()->smoothed_rtt());
-  EXPECT_APPROX_EQ(params.RTT(), rtt_stats()->min_rtt(), 0.2f);
-}
-
 TEST_F(Bbr3DefaultTopologyTest, SimpleTransferB206) {
   SetConnectionOption(kB206);
   DefaultTopologyParams params;
@@ -603,28 +584,6 @@
   EXPECT_APPROX_EQ(params.RTT(), rtt_stats()->min_rtt(), 0.2f);
 }
 
-TEST_F(Bbr3DefaultTopologyTest, SimpleTransfer2RTTAggregationBytesB201) {
-  SetConnectionOption(kB201);
-  DefaultTopologyParams params;
-  CreateNetwork(params);
-  // 2 RTTs of aggregation, with a max of 10kb.
-  EnableAggregation(10 * 1024, 2 * params.RTT());
-
-  // Transfer 12MB.
-  DoSimpleTransfer(12 * 1024 * 1024, QuicTime::Delta::FromSeconds(35));
-  EXPECT_TRUE(Bbr3ModeIsOneOf({Bbr2Mode::PROBE_BW, Bbr2Mode::PROBE_RTT}));
-
-  // TODO(wub): Tighten the error bound once BSAO is default enabled.
-  EXPECT_APPROX_EQ(params.BottleneckBandwidth(),
-                   sender_->ExportDebugState().bandwidth_hi, 0.5f);
-
-  EXPECT_LE(sender_loss_rate_in_packets(), 0.01);
-  // The margin here is high, because both link level aggregation and ack
-  // decimation can greatly increase smoothed rtt.
-  EXPECT_GE(params.RTT() * 5, rtt_stats()->smoothed_rtt());
-  EXPECT_APPROX_EQ(params.RTT(), rtt_stats()->min_rtt(), 0.2f);
-}
-
 TEST_F(Bbr3DefaultTopologyTest, SimpleTransferAckDecimation) {
   SetConnectionOption(kBSAO);
   DefaultTopologyParams params;