'C{_qualNameWalker} is a generator that, when given a Python qualified
name, yields that name, and then the parent of that name, and so forth,
along with a list of the tried components, in a 2-tuple.'

def test_walksDownPath(self):

    walkerResults = list(runner._qualNameWalker('walker.texas.ranger'))
    self.assertEqual(walkerResults, [('walker.texas.ranger', []), ('walker.texas', ['ranger']), ('walker', ['texas', 'ranger'])])
