def test_select_simple(self): 

       for keyword in ['test_one', 'est_on']:

->         config = py.test.config._reparse([datadir/'filetest.py', 

                                                  '-k', keyword])

           session = config._getsessionclass()(config, py.std.sys.stdout)

           session.main()

           l = session.getitemoutcomepairs(Failed)

           assert len(l) == 1 

           item = l[0][0]

           assert item.name == 'test_one'

           l = session.getitemoutcomepairs(Skipped)

           assert len(l) == 1