Fixing a unittest to allow new Opus version.

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 11456f21793c34ec53f591c1d0de7ceb74a015bb..a6c502b5986fa6da25acb85617044ed3498754ed 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
@@ -274,8 +274,6 @@ TEST(AudioEncoderOpusTest, SetReceiverFrameLengthRange) {
   EXPECT_THAT(states.encoder->supported_frame_lengths_ms(),
               ElementsAre(states.encoder->next_frame_length_ms()));
   states.encoder->SetReceiverFrameLengthRange(0, 12345);
-  EXPECT_THAT(states.encoder->supported_frame_lengths_ms(),
-              ElementsAre(20, 60));
   states.encoder->SetReceiverFrameLengthRange(21, 60);
   EXPECT_THAT(states.encoder->supported_frame_lengths_ms(), ElementsAre(60));
   states.encoder->SetReceiverFrameLengthRange(20, 59);