'Test retrieving a specific set of items.'

def testGetSpecificItems(self):

    self.xmpp['xep_0060'].get_items('pubsub.example.com', 'somenode', item_ids=['A', 'B', 'C'], block=False)
    self.send('\n                                        <iq    type="get"    id="1"    to="pubsub.example.com">\n                                                <pubsub    xmlns="http://jabber.org/protocol/pubsub">\n                                                        <items    node="somenode">\n                                                                <item    id="A"    />\n                                                                <item    id="B"    />\n                                                                <item    id="C"    />\n                                                        </items>\n                                                </pubsub>\n                                        </iq>\n                                ')
