[Chromecast] Fix AudioVideoPipelineDeviceTest failures

chromecast/media/cma/backend/audio_video_pipeline_device_unittest.cc

Index: chromecast/media/cma/backend/audio_video_pipeline_device_unittest.cc
diff --git a/chromecast/media/cma/backend/audio_video_pipeline_device_unittest.cc b/chromecast/media/cma/backend/audio_video_pipeline_device_unittest.cc
index a912145e0a7f85a7dc684637745d8d1efc73056d..7418f1f1b6135054ce5424700d90fa72adebd355 100644
--- a/chromecast/media/cma/backend/audio_video_pipeline_device_unittest.cc
+++ b/chromecast/media/cma/backend/audio_video_pipeline_device_unittest.cc
@@ -395,7 +395,9 @@ void BufferFeeder::OnPushBufferComplete(BufferStatus status) {
   EXPECT_TRUE(expecting_buffer_complete_)
       << "OnPushBufferComplete() called unexpectedly";
   expecting_buffer_complete_ = false;
-  ASSERT_NE(status, MediaPipelineBackend::kBufferFailed);
+  if (!feed_continuous_pcm_ || !feeding_completed_) {
+    ASSERT_NE(status, MediaPipelineBackend::kBufferFailed);
+  }
   EXPECT_FALSE(eos_) << "Got OnPushBufferComplete() after OnEndOfStream()";
 
   if (test_config_after_next_push_) {