code: def test_batch_forward_eval_fast(self):
      with gpytorch.settings.max_eager_kernel_size(
          1
      ), gpytorch.settings.fast_pred_var(True):
          self.test_batch_forward_eval()
  
imports: import unittest
  import torch
  import gpytorch
  from gpytorch import settings
  from gpytorch.kernels import GridInterpolationKernel
  from gpytorch.likelihoods import GaussianLikelihood
  from gpytorch.mlls import ExactMarginalLogLikelihood
  from gpytorch.models import ExactGP
  from gpytorch.models.exact_prediction_strategies import InterpolatedPredictionStrategy
  from gpytorch.test.model_test_case import BaseModelTestCase
label_desc: Use image node_id 7 for calling the TestExactGP obj's underlying member method code with example usage: obj.test_batch_forward_eval_fast() without return types