diff --git a/webrtc/call/rampup_tests.cc b/webrtc/call/rampup_tests.cc
index eec3258773..f637f77577 100644
--- a/webrtc/call/rampup_tests.cc
+++ b/webrtc/call/rampup_tests.cc
@@ -20,7 +20,6 @@ namespace webrtc {
 namespace {
 
 static const int64_t kPollIntervalMs = 20;
-static const int kHighBandwidthLimitBps = 80000;
 static const int kExpectedHighVideoBitrateBps = 60000;
 static const int kExpectedHighAudioBitrateBps = 30000;
 static const int kLowBandwidthLimitBps = 20000;
@@ -367,7 +366,7 @@ RampUpDownUpTester::RampUpDownUpTester(size_t num_video_streams,
       state_start_ms_(clock_->TimeInMilliseconds()),
       interval_start_ms_(clock_->TimeInMilliseconds()),
       sent_bytes_(0) {
-  forward_transport_config_.link_capacity_kbps = kHighBandwidthLimitBps / 1000;
+  forward_transport_config_.link_capacity_kbps = GetHighLinkCapacity();
 }
 
 RampUpDownUpTester::~RampUpDownUpTester() {}
@@ -420,9 +419,16 @@ std::string RampUpDownUpTester::GetModifierString() const {
 }
 
 int RampUpDownUpTester::GetExpectedHighBitrate() const {
-  if (num_audio_streams_ > 0 && num_video_streams_ == 0)
-    return kExpectedHighAudioBitrateBps;
-  return kExpectedHighVideoBitrateBps;
+  int expected_bitrate_bps = 0;
+  if (num_audio_streams_ > 0)
+    expected_bitrate_bps += kExpectedHighAudioBitrateBps;
+  if (num_video_streams_ > 0)
+    expected_bitrate_bps += kExpectedHighVideoBitrateBps;
+  return expected_bitrate_bps;
+}
+
+int RampUpDownUpTester::GetHighLinkCapacity() const {
+  return 4 * GetExpectedHighBitrate() / (3 * 1000);
 }
 
 void RampUpDownUpTester::EvolveTestState(int bitrate_bps, bool suspended) {
@@ -453,8 +459,7 @@ void RampUpDownUpTester::EvolveTestState(int bitrate_bps, bool suspended) {
           suspended == check_suspend_state) {
         // The ramp-down was successful. Change the channel limit back to a
         // high value, and move to the next test state.
-        forward_transport_config_.link_capacity_kbps =
-            kHighBandwidthLimitBps / 1000;
+        forward_transport_config_.link_capacity_kbps = GetHighLinkCapacity();
         send_transport_->SetConfig(forward_transport_config_);
         test_state_ = kSecondRampup;
         webrtc::test::PrintResult("ramp_up_down_up", GetModifierString(),
@@ -490,123 +495,51 @@ class RampUpTest : public test::CallTest {
   }
 };
 
-TEST_F(RampUpTest, SingleStream) {
-  RampUpTester test(1, 0, 0, RtpExtension::kTimestampOffsetUri, false, false);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, Simulcast) {
-  RampUpTester test(3, 0, 0, RtpExtension::kTimestampOffsetUri, false, false);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, SimulcastWithRtx) {
-  RampUpTester test(3, 0, 0, RtpExtension::kTimestampOffsetUri, true, false);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, SimulcastByRedWithRtx) {
-  RampUpTester test(3, 0, 0, RtpExtension::kTimestampOffsetUri, true, true);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, SingleStreamWithHighStartBitrate) {
-  RampUpTester test(1, 0, 0.9 * kSingleStreamTargetBps,
-                    RtpExtension::kTimestampOffsetUri, false, false);
-  RunBaseTest(&test);
-}
-
 static const uint32_t kStartBitrateBps = 60000;
 
-// Disabled: https://bugs.chromium.org/p/webrtc/issues/detail?id=5576
-TEST_F(RampUpTest, DISABLED_UpDownUpOneStream) {
-  RampUpDownUpTester test(1, 0, kStartBitrateBps, RtpExtension::kAbsSendTimeUri,
-                          false, false);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, DISABLED_UpDownUpThreeStreams) {
-  RampUpDownUpTester test(3, 0, kStartBitrateBps, RtpExtension::kAbsSendTimeUri,
-                          false, false);
-  RunBaseTest(&test);
-}
-
-// Disabled: https://bugs.chromium.org/p/webrtc/issues/detail?id=5576
-TEST_F(RampUpTest, DISABLED_UpDownUpOneStreamRtx) {
-  RampUpDownUpTester test(1, 0, kStartBitrateBps, RtpExtension::kAbsSendTimeUri,
-                          true, false);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, UpDownUpThreeStreamsRtx) {
-  RampUpDownUpTester test(3, 0, kStartBitrateBps, RtpExtension::kAbsSendTimeUri,
-                          true, false);
-  RunBaseTest(&test);
-}
-
-// Disabled: https://bugs.chromium.org/p/webrtc/issues/detail?id=5576
-TEST_F(RampUpTest, DISABLED_UpDownUpOneStreamByRedRtx) {
-  RampUpDownUpTester test(1, 0, kStartBitrateBps, RtpExtension::kAbsSendTimeUri,
-                          true, true);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, UpDownUpThreeStreamsByRedRtx) {
+TEST_F(RampUpTest, UpDownUpAbsSendTimeSimulcastRedRtx) {
   RampUpDownUpTester test(3, 0, kStartBitrateBps, RtpExtension::kAbsSendTimeUri,
                           true, true);
   RunBaseTest(&test);
 }
 
-TEST_F(RampUpTest, SendSideVideoUpDownUpRtx) {
+TEST_F(RampUpTest, UpDownUpTransportSequenceNumberRtx) {
   RampUpDownUpTester test(3, 0, kStartBitrateBps,
                           RtpExtension::kTransportSequenceNumberUri, true,
                           false);
   RunBaseTest(&test);
 }
 
-// TODO(holmer): Enable when audio bitrates are included in the bitrate
-//               allocation.
-TEST_F(RampUpTest, DISABLED_SendSideAudioVideoUpDownUpRtx) {
+TEST_F(RampUpTest, UpDownUpAudioVideoTransportSequenceNumberRtx) {
   RampUpDownUpTester test(3, 1, kStartBitrateBps,
                           RtpExtension::kTransportSequenceNumberUri, true,
                           false);
   RunBaseTest(&test);
 }
 
-TEST_F(RampUpTest, SendSideAudioOnlyUpDownUpRtx) {
+TEST_F(RampUpTest, UpDownUpAudioTransportSequenceNumberRtx) {
   RampUpDownUpTester test(0, 1, kStartBitrateBps,
                           RtpExtension::kTransportSequenceNumberUri, true,
                           false);
   RunBaseTest(&test);
 }
 
-TEST_F(RampUpTest, AbsSendTimeSingleStream) {
+TEST_F(RampUpTest, TOffsetSimulcastRedRtx) {
+  RampUpTester test(3, 0, 0, RtpExtension::kTimestampOffsetUri, true, true);
+  RunBaseTest(&test);
+}
+
+TEST_F(RampUpTest, AbsSendTime) {
   RampUpTester test(1, 0, 0, RtpExtension::kAbsSendTimeUri, false, false);
   RunBaseTest(&test);
 }
 
-TEST_F(RampUpTest, AbsSendTimeSimulcast) {
-  RampUpTester test(3, 0, 0, RtpExtension::kAbsSendTimeUri, false, false);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, AbsSendTimeSimulcastWithRtx) {
-  RampUpTester test(3, 0, 0, RtpExtension::kAbsSendTimeUri, true, false);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, AbsSendTimeSimulcastByRedWithRtx) {
+TEST_F(RampUpTest, AbsSendTimeSimulcastRedRtx) {
   RampUpTester test(3, 0, 0, RtpExtension::kAbsSendTimeUri, true, true);
   RunBaseTest(&test);
 }
 
-TEST_F(RampUpTest, AbsSendTimeSingleStreamWithHighStartBitrate) {
-  RampUpTester test(1, 0, 0.9 * kSingleStreamTargetBps,
-                    RtpExtension::kAbsSendTimeUri, false, false);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, TransportSequenceNumberSingleStream) {
+TEST_F(RampUpTest, TransportSequenceNumber) {
   RampUpTester test(1, 0, 0, RtpExtension::kTransportSequenceNumberUri, false,
                     false);
   RunBaseTest(&test);
@@ -618,27 +551,9 @@ TEST_F(RampUpTest, TransportSequenceNumberSimulcast) {
   RunBaseTest(&test);
 }
 
-TEST_F(RampUpTest, TransportSequenceNumberSimulcastWithRtx) {
-  RampUpTester test(3, 0, 0, RtpExtension::kTransportSequenceNumberUri, true,
-                    false);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, AudioVideoTransportSequenceNumberSimulcastWithRtx) {
-  RampUpTester test(3, 1, 0, RtpExtension::kTransportSequenceNumberUri, true,
-                    false);
-  RunBaseTest(&test);
-}
-
-TEST_F(RampUpTest, TransportSequenceNumberSimulcastByRedWithRtx) {
+TEST_F(RampUpTest, TransportSequenceNumberSimulcastRedRtx) {
   RampUpTester test(3, 0, 0, RtpExtension::kTransportSequenceNumberUri, true,
                     true);
   RunBaseTest(&test);
 }
-
-TEST_F(RampUpTest, TransportSequenceNumberSingleStreamWithHighStartBitrate) {
-  RampUpTester test(1, 0, 0.9 * kSingleStreamTargetBps,
-                    RtpExtension::kTransportSequenceNumberUri, false, false);
-  RunBaseTest(&test);
-}
 }  // namespace webrtc
diff --git a/webrtc/call/rampup_tests.h b/webrtc/call/rampup_tests.h
index 2c70a95a57..606a8cd5d2 100644
--- a/webrtc/call/rampup_tests.h
+++ b/webrtc/call/rampup_tests.h
@@ -124,6 +124,7 @@ class RampUpDownUpTester : public RampUpTester {
 
   std::string GetModifierString() const;
   int GetExpectedHighBitrate() const;
+  int GetHighLinkCapacity() const;
   void EvolveTestState(int bitrate_bps, bool suspended);
 
   TestStates test_state_;