code: def cuda(self):
      return False
  
imports: from abc import abstractproperty
  from unittest.mock import MagicMock, patch
  import linear_operator
  import torch
  import gpytorch
  from .base_test_case import BaseTestCase
label_desc: Use image node_id 11 for calling the VariationalTestCase obj's underlying member method code with example usage: obj.cuda() and returns: False