Measure real CPU VAD on complete frozen media pool

tools/speech-vad/test_native.py

@@ -37,7 +37,7 @@ class NativeContract(unittest.TestCase):
             self.assertGreaterEqual(report[key], 0)
 
     def test_invalid_pcm(self):
-        for data in (b"", b"x", struct.pack("<f", float("nan")), struct.pack("<f", 2)):
+        for data in (b"", b"x", struct.pack("<f", float("nan")), struct.pack("<f", float("inf"))):
             with self.subTest(data=data):
                 result = self.run_pcm(data)
                 self.assertEqual(result.returncode, 2)