def test_plan_line_two(self):
        rules = self._make_one()
        rules.saw_version_at(1)

        valid = rules._plan_on_valid_line(at_line=2, final_line_count=42)

        self.assertTrue(valid)
Mark a value as unsafe.  This is the reverse operation for :func:`safe`.
dataset/ETHPy150Open mblayman/tappy/tap/tests/test_rules.py/TestRules.test_plan_line_two--crossover with--dataset/ETHPy150Open IanLewis/kay/kay/lib/jinja2/filters.py/do_mark_unsafe