def METHOD_NAME(self):
    LearnerDeviceStatus.save_learner_status(
        self.user.id, DeviceStatus.InsufficientStorage
    )
    device_status = LearnerDeviceStatus.objects.get(user=self.user)
    self.assertEqual(self.facility.dataset_id, device_status.dataset_id)
    self.assertEqual(
        "{}:{}".format(self.instance.id, self.user.id),
        device_status._morango_source_id,
    )
    self.assertEqual(
        "{}:user-rw:{}".format(self.facility.dataset_id, self.user.id),
        device_status._morango_partition,
    )