code: def test_fieldmap():
      # Test fieldmap image
      # Exploring the DICOM suggests that the first volume is magnitude and the
      # second is phase.  The NIfTI has very odd scaling, being all negative.
      fieldmap_par = pjoin(BALLS, "PARREC", "fieldmap.PAR")
      fieldmap_nii = pjoin(BALLS, "NIFTI", "fieldmap.nii.gz")
      load(fieldmap_par)
      top_load(fieldmap_nii)
      raise unittest.SkipTest("Fieldmap remains puzzling")
  
file_path: nibabel/nibabel/tests/test_parrec_data.py
imports: import unittest
  from glob import glob
  from os.path import basename, exists
  from os.path import join
  from os.path import splitext
  import numpy
  import pytest
  from numpy.testing import assert_almost_equal
  from ..None import load
  from ..affines import voxel_sizes
  from ..parrec import load
  from .nibabel_data import get_nibabel_data, needs_nibabel_data
label_desc: Use image node_id 2 for calling a global function with example usage: test_fieldmap() without return types