test_retire_bzrdir_limited fails under wine with PermissionDenied

Under winepython

ERROR: bzrlib.tests.per_bzrdir.test_bzrdir.TestBzrDir.test_retire_bzrdir_limited(BzrDirMetaFormat1)
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_StringException: Text attachment: log
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1012.641 opening working tree 'C:/windows/profiles/mbp/temp/testbzr-dha8fl.tmp'
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Text attachment: traceback
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Traceback (most recent call last):
  File "Z:\home\mbp\lib\python\testtools\runtest.py", line 144, in _run_user
    return fn(*args)
  File "Z:\home\mbp\lib\python\testtools\testcase.py", line 465, in _run_test_method
    testMethod()
  File "Z:\home\mbp\bzr\trunk\bzrlib\tests\per_bzrdir\test_bzrdir.py", line 536, in test_retire_bzrdir_limited
    bd.retire_bzrdir, limit=0)
  File "Z:\home\mbp\bzr\trunk\bzrlib\tests\__init__.py", line 1385, in assertRaises
    callableObj(*args, **kwargs)
  File "Z:\home\mbp\bzr\trunk\bzrlib\bzrdir.py", line 658, in retire_bzrdir
    self.root_transport.rename('.bzr', to_path)
  File "Z:\home\mbp\bzr\trunk\bzrlib\transport\local.py", line 413, in rename
    self._translate_error(e, path_from)
  File "Z:\home\mbp\bzr\trunk\bzrlib\transport\__init__.py", line 312, in _translate_error
    raise errors.PermissionDenied(path, extra=e)
PermissionDenied: Permission denied: "C:/windows/profiles/mbp/temp/testbzr-dha8fl.tmp/dir_limited(BzrDirMetaFormat1)/work/.bzr": [Error 5] Access denied
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I guess this is a problem with renaming in-use directories.