@property
    def cases(self):
        return self._map.keys()
Test that the error condition element has the correct namespace.
dataset/ETHPy150Open tmr232/Sark/sark/code/switch.py/Switch.cases--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/words/test/test_jabbererror.py/StreamErrorTest.test_getElementConditionNamespace