Changes test condition in AudioDeviceTest.RunPlayoutAndRecordingInFullDuplex

TBR=henrik.lundin

Bug: webrtc:7744
Change-Id: I8e8adc666e4734a9333dc3eaa273f68d66a8d0af
Reviewed-on: https://webrtc-review.googlesource.com/7260
Commit-Queue: Henrik Andreassson <henrika@webrtc.org>
Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20183}
diff --git a/modules/audio_device/audio_device_unittest.cc b/modules/audio_device/audio_device_unittest.cc
index daaefd4..e1f0c15 100644
--- a/modules/audio_device/audio_device_unittest.cc
+++ b/modules/audio_device/audio_device_unittest.cc
@@ -703,8 +703,9 @@
   StopPlayout();
   // This thresholds is set rather high to accommodate differences in hardware
   // in several devices. The main idea is to capture cases where a very large
-  // latency is built up.
-  EXPECT_LE(audio_stream.average_size(), 5u);
+  // latency is built up. See http://bugs.webrtc.org/7744 for examples on
+  // bots where relatively large average latencies can happen.
+  EXPECT_LE(audio_stream.average_size(), 25u);
   PRINT("\n");
 }