Add stream labels into PeerConnection level smoke test.

Bug: webrtc:10138
Change-Id: I779a8eb0516471273ddb313df3c2a34e66dff869
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/131396
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27479}
diff --git a/test/pc/e2e/peer_connection_e2e_smoke_test.cc b/test/pc/e2e/peer_connection_e2e_smoke_test.cc
index 8b19cd5..4bba7e9 100644
--- a/test/pc/e2e/peer_connection_e2e_smoke_test.cc
+++ b/test/pc/e2e/peer_connection_e2e_smoke_test.cc
@@ -80,10 +80,12 @@
           {alice_endpoint});
   fixture->AddPeer(alice_network->network_thread(),
                    alice_network->network_manager(), [](PeerConfigurer* alice) {
-                     VideoConfig alice_video_config(640, 360, 30);
-                     alice_video_config.stream_label = "alice-video";
-                     alice->AddVideoConfig(std::move(alice_video_config));
-                     alice->SetAudioConfig(AudioConfig());
+                     VideoConfig video_config(640, 360, 30);
+                     video_config.stream_label = "alice-video";
+                     alice->AddVideoConfig(std::move(video_config));
+                     AudioConfig audio_config;
+                     audio_config.stream_label = "alice-audio";
+                     alice->SetAudioConfig(std::move(audio_config));
                    });
 
   EmulatedNetworkManagerInterface* bob_network =
@@ -91,10 +93,12 @@
           {bob_endpoint});
   fixture->AddPeer(bob_network->network_thread(),
                    bob_network->network_manager(), [](PeerConfigurer* bob) {
-                     VideoConfig bob_video_config(640, 360, 30);
-                     bob_video_config.stream_label = "bob-video";
-                     bob->AddVideoConfig(std::move(bob_video_config));
-                     bob->SetAudioConfig(AudioConfig());
+                     VideoConfig video_config(640, 360, 30);
+                     video_config.stream_label = "bob-video";
+                     bob->AddVideoConfig(std::move(video_config));
+                     AudioConfig audio_config;
+                     audio_config.stream_label = "bob-audio";
+                     bob->SetAudioConfig(std::move(audio_config));
                    });
 
   RunParams run_params(TimeDelta::seconds(5));