def testBadAppend(self):
        self.improperAppend(plivohelper.Redirect())
:see: Expression.visit()
dataset/ETHPy150Open plivo/plivohelper-python/tests/test_restxml.py/TestRedirect.testBadAppend--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/sem/logic.py/BinaryExpression.visit