'add a conference to a dial'

def test_add_conference(self):

    d = Dial()
    d.conference('My    Room')
    r = VoiceResponse()
    r.append(d)
    assert_equal(self.strip(r), '<?xml    version="1.0"    encoding="UTF-8"?><Response><Dial><Conference>My    Room</Conference></Dial></Response>')
