def test_adding(self):
     self.portal.invokeFactory('SnippetDocument', 'SnippetDocument')
     self.assertTrue(
         ISnippetDocument.providedBy(self.portal['SnippetDocument'])
     )
 def test_factory(self):
     fti = queryUtility(IDexterityFTI, name='SnippetDocument')
     factory = fti.factory
     obj = createObject(factory)
     self.assertTrue(ISnippetDocument.providedBy(obj))