Have md5 raise a DeprecationWarning as per PEP 4.
diff --git a/Lib/test/test_md5.py b/Lib/test/test_md5.py
index 1f08568..2c0e8e2 100644
--- a/Lib/test/test_md5.py
+++ b/Lib/test/test_md5.py
@@ -1,4 +1,7 @@
 # Testing md5 module
+import warnings
+warnings.filterwarnings("ignore", "the md5 module is deprecated.*",
+                        DeprecationWarning)
 
 import unittest
 from md5 import md5