bpo-40275: Use new test.support helper submodules in tests (GH-21764)

diff --git a/Lib/test/test_ossaudiodev.py b/Lib/test/test_ossaudiodev.py
index 624fbf2..d3766e5 100644
--- a/Lib/test/test_ossaudiodev.py
+++ b/Lib/test/test_ossaudiodev.py
@@ -1,9 +1,10 @@
 from test import support
+from test.support import import_helper
 support.requires('audio')
 
 from test.support import findfile
 
-ossaudiodev = support.import_module('ossaudiodev')
+ossaudiodev = import_helper.import_module('ossaudiodev')
 
 import errno
 import sys