def test_frame_load(self):
        self.init_capfile(layers=1)
        for packet in self.capfile.packets:
            for field in ['src', 'dst', 'type', 'payload']:
                self.assertTrue(hasattr(packet.packet, field),
                                'invalid frame!')
closes down the connection and releases all cyclic dependecies
dataset/ETHPy150Open kisom/pypcapfile/pcapfile/test/savefile_test.py/TestCase.test_frame_load--crossover with--dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/site-packages/Rpyc/Connection.py/Connection.close