Yesterday, while I was working on LifeInLjubljana.si, I had to test if some data was correctly written to Plone’s session. I couldn’t use the standard ptc.FunctionalTestCase test case as it does not have a session and I would get errors like this: (Pdb) self.context.session_data_manager *** AttributeError: session_data_manager (Pdb) self.context.REQUEST.SESSION *** AttributeError: SESSION Following a tip…