fix: make VAD unit tests work after changes

Namely, the Streamer has to be marked ready.

ref: N25B-216

test/integration/agents/vad_agent/test_vad_with_audio.py

@@ -48,6 +48,7 @@ async def test_real_audio(mocker):
     audio_out_socket = AsyncMock()
 
     vad_streamer = Streaming(audio_in_socket, audio_out_socket)
+    vad_streamer._ready = True
     for _ in audio_chunks:
         await vad_streamer.run()
 

test/unit/agents/test_vad_streaming.py

@@ -21,7 +21,9 @@ def streaming(audio_in_socket, audio_out_socket):
     import torch
 
     torch.hub.load.return_value = (..., ...)  # Mock
-    return Streaming(audio_in_socket, audio_out_socket)
+    streaming = Streaming(audio_in_socket, audio_out_socket)
+    streaming._ready = True
+    return streaming
 
 
 async def simulate_streaming_with_probabilities(streaming, probabilities: list[float]):