code: def test_get_fantasy_model_fixed_noise(self):
      models = [self.create_model(fixed_noise=True) for _ in range(2)]
      model = IndependentModelList(*models)
      model.eval()
      model(torch.rand(3), torch.rand(3))
      fant_x = [torch.randn(2), torch.randn(3)]
      fant_y = [torch.randn(2), torch.randn(3)]
      fant_noise = [0.1 * torch.ones(2), 0.1 * torch.ones(3)]
      fmodel = model.get_fantasy_model(fant_x, fant_y, noise=fant_noise)
      fmodel(torch.randn(4), torch.randn(4))
  
file_path: gpytorch/test/models/test_model_list.py
imports: import unittest
  import torch
  from gpytorch.likelihoods import FixedNoiseGaussianLikelihood
  from gpytorch.models import IndependentModelList
  from .test_exact_gp import TestExactGP
label_desc: Use image node_id 5 for calling the TestModelListGP obj's underlying member method code with example usage: obj.test_get_fantasy_model_fixed_noise() without return types