code: def is_voxel_order_valid(voxel_order):
      return is_reference_info_valid(
          np.eye(4), [1, 1, 1], [1.0, 1.0, 1.0], voxel_order
      )
  
imports: import tempfile
  from urllib.error import URLError, HTTPError
  import pytest
  import nibabel
  import numpy
  from numpy.testing import assert_allclose, assert_array_equal, assert_
  import trx.trx_file_memmap
  from dipy.data import get_fnames
  from dipy.io.streamline import load_tractogram
  from dipy.io.utils import create_nifti_header, decfa, decfa_to_float, get_reference_info, is_reference_info_valid, read_img_arr_or_path
  from dipy.testing.decorators import set_random_number_generator
label_desc: Use image node_id 7 for calling a global function with example usage: is_voxel_order_valid(voxel_order) and returns: is_reference_info_valid