Merged revisions 85403 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85403 | brian.curtin | 2010-10-12 21:56:26 -0500 (Tue, 12 Oct 2010) | 2 lines

  Implement #7944. Use `with` throughout the test suite.
........