def testNestedSpeakPlayWait(self):
        r = plivohelper.Response()
        g = plivohelper.GetDigits()
        g.append(plivohelper.Speak("Hey"))
        g.append(plivohelper.Play("hey.mp3"))
        g.append(plivohelper.Wait())
        r.append(g)
        r = self.strip(r)
        self.assertEquals(r, '<Response><GetDigits><Speak>Hey</Speak><Play>hey.mp3</Play><Wait/></GetDigits></Response>')
Returns the assignment to this instance which is the root REST element.
dataset/ETHPy150Open plivo/plivohelper-python/tests/test_restxml.py/TestGetDigits.testNestedSpeakPlayWait--crossover with--dataset/ETHPy150Open OpenSlides/OpenSlides/openslides/assignments/models.py/AssignmentVote.get_root_rest_element