def test_schedule_3(self):
     self.assertEqual(_find_conflicts(open_fixture_file('schedule3')),
                      (set([1, 2, 3]), set()))
 def test_schedule_2(self):
     self.assertEqual(_find_conflicts(open_fixture_file('schedule2')),
                      (set([1, 2, 3]),
                       set([(3, 1, 'X'), (1, 2, 'Z'), (2, 3, 'Y'),
                            (3, 2, 'Y')])))