def should_not_contain(self, item1, item2, msg=None, values=True):
        msg = self._get_string_msg(item1, item2, msg, values, 'contains')
        asserts.fail_if(item2 in item1, msg)
Fails if `item1` contains `item2` one or more times.
dataset/ETHPy150Open shellderp/sublime-robot-plugin/lib/robot/libraries/BuiltIn.py/_Verify.should_not_contain