#17079: test_ctypes now works with unittest test discovery.  Patch by Zachary Ware.
#17082: test_dbm* now work with unittest test discovery.  Patch by Zachary Ware.
Regex should be a raw string
Don't deadlock on a reentrant call.
#17315: unlink a file that test_posixpath was leaving around.
#17315: merge with 3.2.
Fix markup in unittest doc.
Merge markup fixes in unittest doc from 3.2.