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)
Returns a string describing the object being updated.
dataset/ETHPy150Open shellderp/sublime-robot-plugin/lib/robot/libraries/BuiltIn.py/_Verify.should_contain--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/appcfg.py/AppVersionUpload.Describe