Grandchildren of TestCase don't work

[Gustavo Narea]

Hello, everyone.

Why do unitest.TestCase grand-grandchildren not work?

I've created a unittest.TestCase descendant, which contains the setUp() and
tearDown() for testing some components of a web framework. Every
application based on this framework should subclass this base class once,
and the rest of the test cases must also subclass the base TestCase of the
application (which is a direct descendant of my descendant of TestCase).

But grandchildren of my TestCase don't work, and I get this weird error:
>   File "/usr/lib/python2.5/unittest.py", line 248, in run
>     testMethod = getattr(self, self._testMethodName)
> AttributeError: 'TestDatabaseGrandChildTesting' object has no
> attribute '_testMethodName'

Isn't it possible to use grand-grandchildren of unittest.TestCase?

Please use this file to reproduce it: http://paste.turbogears.org/paste/4721

Thanks in advance.
-- 
Gustavo Narea.
http://gustavonarea.net/

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