code: def test_cifti2_transformationmatrixvoxelindicesijktoxyz():
      tr = ci.Cifti2TransformationMatrixVoxelIndicesIJKtoXYZ()
      with pytest.raises(ci.Cifti2HeaderError):
          tr.to_xml()
  
imports: import collections
  from xml.etree import ElementTree
  import numpy
  import pytest
  from nibabel import cifti2
  from nibabel.cifti2.cifti2 import Cifti2HeaderError, _float_01, _value_if_klass
  from nibabel.nifti2 import Nifti2Header
  from nibabel.tests.test_dataobj_images import TestDataobjAPI
  from nibabel.tests.test_image_api import DtypeOverrideMixin, SerializeMixin
label_desc: Use image node_id 9 for calling a global function with example usage: test_cifti2_transformationmatrixvoxelindicesijktoxyz() without return types