don't fail if the audio device is busy, just skip.
SF patch 545486
diff --git a/Lib/test/test_linuxaudiodev.py b/Lib/test/test_linuxaudiodev.py
index 7924a24..cc44d8b 100644
--- a/Lib/test/test_linuxaudiodev.py
+++ b/Lib/test/test_linuxaudiodev.py
@@ -25,7 +25,7 @@
     try:
         a = linuxaudiodev.open('w')
     except linuxaudiodev.error, msg:
-        if msg[0] in (errno.EACCES, errno.ENODEV):
+        if msg[0] in (errno.EACCES, errno.ENODEV, errno.EBUSY):
             raise TestSkipped, msg
         raise TestFailed, msg