'Verify that when the supplied C{descend} predicate returns C{False},
the target is not traversed.'

def test_walkObeysDescend(self):

    self.createLinks()
    def noSymLinks(path):
        return (not path.islink())
    x = [foo.path for foo in self.path.walk(descend=noSymLinks)]
    self.assertEqual(set(x), set(self.all))
