code: def test_Small():
      A, B = ElasticRod(10)
      with pytest.warns(UserWarning, match="The problem size"):
          compare_solutions(A, B, 10)
      A, B = MikotaPair(10)
      with pytest.warns(UserWarning, match="The problem size"):
          compare_solutions(A, B, 10)
  
imports: import itertools
  import platform
  import sys
  import pytest
  import numpy
  from numpy import ones, r_, diag
  from numpy.testing import assert_almost_equal, assert_equal, assert_allclose, assert_array_less
  from scipy import sparse
  from scipy.linalg import eig, eigh, toeplitz, orth
  from scipy.sparse import spdiags, diags, eye, csr_matrix
  from scipy.sparse.linalg import eigs, LinearOperator
  from scipy.sparse.linalg._eigen.lobpcg import lobpcg
  from scipy.sparse.linalg._eigen.lobpcg.lobpcg import _b_orthonormalize
  from scipy._lib._util import np_long, np_ulong
label_desc: Use image node_id 5 for calling a global function with example usage: test_Small() without return types