code: def test_batch_backward_train_nochol(self):
      with gpytorch.settings.max_cholesky_size(0):
          self.test_batch_backward_train()
  
imports: import unittest
  import torch
  import gpytorch
  from gpytorch.models import ApproximateGP
  from gpytorch.test.model_test_case import VariationalModelTestCase
  from gpytorch.variational import CholeskyVariationalDistribution, VariationalStrategy
label_desc: Use image node_id 3 for calling the TestSVGPVariationalGP obj's underlying member method code with example usage: obj.test_batch_backward_train_nochol() without return types