code: def test_raise_init_errors(self):
      with self.assertRaises(UnsupportedError):
          LinearTruncatedFidelityKernel(fidelity_dims=[2])
      with self.assertRaises(UnsupportedError):
          LinearTruncatedFidelityKernel(
              fidelity_dims=[0, 1, 2], dimension=3
          )
      with self.assertRaises(ValueError):
          LinearTruncatedFidelityKernel(
              fidelity_dims=[2, 2], dimension=3
          )
      with self.assertRaises(ValueError):
          LinearTruncatedFidelityKernel(
              fidelity_dims=[2], dimension=2, nu=1
          )
  
imports: import itertools
  import torch
  from botorch.exceptions import UnsupportedError
  from botorch.models.kernels.linear_truncated_fidelity import LinearTruncatedFidelityKernel
  from botorch.utils.testing import BotorchTestCase
  from gpytorch.kernels.matern_kernel import MaternKernel
  from gpytorch.kernels.rbf_kernel import RBFKernel
  from gpytorch.priors.torch_priors import GammaPrior, NormalPrior
  from gpytorch.test.base_kernel_test_case import BaseKernelTestCase
label_desc: Use image node_id 11 for calling the TestLinearTruncatedFidelityKernel obj's underlying member method code with example usage: obj.test_raise_init_errors() without return types