code: def test_normal_prior_validate_args(self):
      with self.assertRaises(ValueError):
          NormalPrior(0, -1, validate_args=True)
  
file_path: gpytorch/test/priors/test_normal_prior.py
imports: import unittest
  import torch
  from torch.distributions import Normal
  from gpytorch.priors import NormalPrior
  from gpytorch.test.utils import least_used_cuda_device
label_desc: Use image node_id 2 for calling the TestNormalPrior obj's underlying member method code with example usage: obj.test_normal_prior_validate_args() without return types