Move unified findfile() into test_support.py
diff --git a/Lib/test/test_sunaudiodev.py b/Lib/test/test_sunaudiodev.py
index 1438c09..af18761 100644
--- a/Lib/test/test_sunaudiodev.py
+++ b/Lib/test/test_sunaudiodev.py
@@ -1,20 +1,7 @@
-from test_support import verbose, TestFailed
+from test_support import verbose, findfile, TestFailed
 import sunaudiodev
 import os
 
-def findfile(file):
-        if os.path.isabs(file): return file
-        import sys
-        path = sys.path
-        try:
-                path = [os.path.dirname(__file__)] + path
-        except NameError:
-                pass
-        for dn in path:
-                fn = os.path.join(dn, file)
-                if os.path.exists(fn): return fn
-        return file
-
 def play_sound_file(path):
     fp = open(path, 'r')
     data = fp.read()