Test failure with Python 3.3

1 test fails with Python 3.3 due to improved exception messages.
(Test results from zope.testing trunk.)

$ PYTHONPATH="build/lib" python3.3 setup.py test
running test
running build_py
running egg_info
writing top-level names to src/zope.testing.egg-info/top_level.txt
writing namespace_packages to src/zope.testing.egg-info/namespace_packages.txt
writing requirements to src/zope.testing.egg-info/requires.txt
writing dependency_links to src/zope.testing.egg-info/dependency_links.txt
writing src/zope.testing.egg-info/PKG-INFO
unrecognized .svn/entries format in
reading manifest file 'src/zope.testing.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
warning: no files found matching '*.test' under directory 'src'
warning: no files found matching 'sampletests' under directory 'src'
writing manifest file 'src/zope.testing.egg-info/SOURCES.txt'
running egg_info
writing top-level names to /tmp/zope.testing/build/lib/zope.testing.egg-info/top_level.txt
writing namespace_packages to /tmp/zope.testing/build/lib/zope.testing.egg-info/namespace_packages.txt
writing requirements to /tmp/zope.testing/build/lib/zope.testing.egg-info/requires.txt
writing dependency_links to /tmp/zope.testing/build/lib/zope.testing.egg-info/dependency_links.txt
writing /tmp/zope.testing/build/lib/zope.testing.egg-info/PKG-INFO
unrecognized .svn/entries format in
reading manifest file '/tmp/zope.testing/build/lib/zope.testing.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
warning: no files found matching '*.test' under directory 'src'
warning: no files found matching 'sampletests' under directory 'src'
writing manifest file '/tmp/zope.testing/build/lib/zope.testing.egg-info/SOURCES.txt'
running build_ext
/tmp/zope.testing/build/lib/zope/testing/module.txt
Doctest: module.txt ... FAIL
/tmp/zope.testing/build/lib/zope/testing/loggingsupport.txt
Doctest: loggingsupport.txt ... ok
/tmp/zope.testing/build/lib/zope/testing/renormalizing.txt
Doctest: renormalizing.txt ... ok
/tmp/zope.testing/build/lib/zope/testing/setupstack.txt
Doctest: setupstack.txt ... /tmp/zope.testing/build/lib/zope/testing/setupstack.txt:1: ResourceWarning: unclosed file <_io.TextIOWrapper name='Data.fs' mode='w' encoding='UTF-8'>
  Stack-based test setUp and tearDown
ok
/tmp/zope.testing/build/lib/zope/testing/wait.txt
Doctest: wait.txt ... ok

======================================================================
FAIL: /tmp/zope.testing/build/lib/zope/testing/module.txt
Doctest: module.txt
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/zope.testing/build/lib/zope/testing/doctest/__init__.py", line 247, in _patched_runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for module.txt
  File "/tmp/zope.testing/build/lib/zope/testing/module.txt", line 0

----------------------------------------------------------------------
File "/tmp/zope.testing/build/lib/zope/testing/module.txt", line 72, in module.txt
Failed example:
    import fake
Expected:
    Traceback (most recent call last):
      ...
    ImportError: No module named fake
Got:
    Traceback (most recent call last):
      File "/usr/lib64/python3.3/doctest.py", line 1287, in __run
        compileflags, 1), test.globs)
      File "<doctest module.txt[17]>", line 1, in <module>
        import fake
    ImportError: No module named 'fake'
----------------------------------------------------------------------
File "/tmp/zope.testing/build/lib/zope/testing/module.txt", line 89, in module.txt
Failed example:
    import zope.testing.unlikelymodulename
Expected:
    Traceback (most recent call last):
      ...
    ImportError: No module named unlikelymodulename
Got:
    Traceback (most recent call last):
      File "/usr/lib64/python3.3/doctest.py", line 1287, in __run
        compileflags, 1), test.globs)
      File "<doctest module.txt[25]>", line 1, in <module>
        import zope.testing.unlikelymodulename
    ImportError: No module named 'zope.testing.unlikelymodulename'

----------------------------------------------------------------------
Ran 5 tests in 0.198s

FAILED (failures=1)