def METHOD_NAME(self):
    self._lexer = self._construct_lexer(2, mark_last_partial=True)
    self.assertEqual(self._lexer.token().value, '1')
    self._assert_next_token_is_tab(tab_position=2)
    self.assertIsNone(self._lexer.token())
    self.assertEqual(self._lexer.get_replaced_token().value, '2')