'Test if successful attach volume operation leads to expected state.'

def test_attach_success(self):

    volume = self._process_volume(self.V.ATTACH, self.S.DESTINATION_STATE)
    self.assertEqual([volume.state, volume.attachments[0]['Device'], volume.attachments[0]['InstanceId']], [u'in-use', u'/dev/sdf', u'i-xyz'])
