def should_contain(self, item1, item2, msg=None, values=True):
        msg = self._get_string_msg(item1, item2, msg, values, 'does not contain')
        asserts.fail_unless(item2 in item1, msg)
Fails if `item1` does not contain `item2` one or more times.
dataset/ETHPy150Open shellderp/sublime-robot-plugin/lib/robot/libraries/BuiltIn.py/_Verify.should_contain