Start probes only after network is connected.

webrtc/video/video_send_stream_tests.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 #include <algorithm>  // max
@@ skipping 1818 matching lines @@
     rtc::Event encoder_init_;
     rtc::Event bitrate_changed_;
     rtc::Optional<int> bitrate_kbps_ GUARDED_BY(crit_);
   };
 
   CreateSenderCall(Call::Config(&event_log_));
 
   test::NullTransport transport;
   CreateSendConfig(1, 0, 0, &transport);
 
+  sender_call_->SignalChannelNetworkState(MediaType::VIDEO, kNetworkUp);
+
   StartStopBitrateObserver encoder;
   video_send_config_.encoder_settings.encoder = &encoder;
   video_send_config_.encoder_settings.internal_source = true;
 
   CreateVideoStreams();
 
   EXPECT_TRUE(encoder.WaitForEncoderInit());
 
   video_send_stream_->Start();
   EXPECT_TRUE(encoder.WaitBitrateChanged(true));
@@ skipping 1319 matching lines @@
        RequestSourceRotateIfVideoOrientationExtensionNotSupported) {
   TestRequestSourceRotateVideo(false);
 }
 
 TEST_F(VideoSendStreamTest,
        DoNotRequestsRotationIfVideoOrientationExtensionSupported) {
   TestRequestSourceRotateVideo(true);
 }
 
 }  // namespace webrtc