code: def test_fortran_order(self):
      vals = array((100 * get_mat(5) + 1), order="F", dtype="l")
      self.test_matrix(vals)
  
imports: from numpy.testing import assert_equal, assert_array_equal, assert_array_max_ulp, assert_array_almost_equal, assert_raises, assert_
  from numpy import arange, add, fliplr, flipud, zeros, ones, eye, array, diag, histogram2d, tri, mask_indices, triu_indices, triu_indices_from, tril_indices, tril_indices_from, vander
  import numpy
  import pytest
label_desc: Use image node_id 3 for calling the TestDiag obj's underlying member method code with example usage: obj.test_fortran_order() without return types