def testPlayAddAttribute(self):
        self.assertRaises(plivohelper.PlivoException,
                          plivohelper.Play, "", foo="bar")
Additional verification for the finished results
dataset/ETHPy150Open plivo/plivohelper-python/tests/test_restxml.py/TestPlay.testPlayAddAttribute--crossover with--dataset/ETHPy150Open openstack/git-upstream/git_upstream/tests/commands/import/test_import.py/TestImportCommand._verify_import_finish