def test__getcol_global_dir(self):

       x = self.tmpdir.ensure("a", dir=1)

       config = py.test.config._reparse([x])

       col = config._getcollector(x)

       assert isinstance(col, py.test.collect.Directory)

->     print col.listchain()

       assert col.name == 'a'

       assert col.parent is None

       assert col._config is config