Fixing DTX unittest for AudioEncoderOpus.

webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc

Index: webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
diff --git a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
index 1d4fc2e7813c9c3b2eee1bc6596be2ace20e47f6..c5fefc40b5b035a5418c578360cc54567e18ca16 100644
--- a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
+++ b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
@@ -176,10 +176,10 @@ TEST(AudioEncoderOpusTest, ToggleDtx) {
   auto states = CreateCodec(2);
   // Enable DTX
   EXPECT_TRUE(states.encoder->SetDtx(true));
-  // Verify that the mode is still kAudio.
-  EXPECT_EQ(AudioEncoderOpus::kAudio, states.encoder->application());
+  EXPECT_TRUE(states.encoder->GetDtx());
   // Turn off DTX.
   EXPECT_TRUE(states.encoder->SetDtx(false));
+  EXPECT_FALSE(states.encoder->GetDtx());
 }
 
 TEST(AudioEncoderOpusTest,