code: def test_origin_affine():
      # check that origin affine works, only
      hdr = Spm2AnalyzeHeader()
      hdr.get_origin_affine()
  
file_path: nibabel/nibabel/tests/test_spm2analyze.py
imports: import numpy
  import pytest
  from numpy.testing import assert_array_equal
  from ..spatialimages import HeaderDataError, HeaderTypeError
  from ..spm2analyze import Spm2AnalyzeHeader, Spm2AnalyzeImage
  from .None import test_spm99analyze
label_desc: Use image node_id 1 for calling a global function with example usage: test_origin_affine() without return types