code: def test_read_with_header_index_order_c(
      self,
      data_shape,
      filename,
      expected_shape,
      dtype,
      reference_header,
  ):
      test_image = np.random.rand(*data_shape).astype(dtype)
      with tempfile.TemporaryDirectory() as tempdir:
          filename = os.path.join(tempdir, filename)
          nrrd.write(
              filename,
              test_image.astype(dtype),
              header=reference_header,
          )
          reader = NrrdReader(index_order="C")
          image_array, image_header = reader.get_data(
              reader.read(filename)
          )
      self.assertIsInstance(image_array, np.ndarray)
      self.assertEqual(image_array.dtype, dtype)
      self.assertTupleEqual(image_array.shape, expected_shape[::-1])
      self.assertTupleEqual(
          image_array.shape, tuple(image_header["spatial_shape"])
      )
  
file_path: MONAI/tests/test_nrrd_reader.py
imports: from __future__ import annotations
  import os
  import tempfile
  import unittest
  from unittest.case import skipUnless
  import numpy
  from parameterized import parameterized
  from monai.data import NrrdReader
  from monai.utils.module import optional_import
label_desc: Use image node_id 6 for calling the TestNrrdReader obj's underlying member method code with example usage: obj.test_read_with_header_index_order_c(data_shape, filename, expected_shape, dtype, reference_header) without return types