code: def test_spsolve_triangular():
      X = scipy.sparse.csr_array(
          [
              [1, 0, 0, 0],
              [2, 1, 0, 0],
              [3, 2, 1, 0],
              [4, 3, 2, 1],
          ]
      )
      spla.spsolve_triangular(X, [1, 2, 3, 4])
  
imports: import pytest
  import numpy
  import numpy.testing
  import scipy.sparse
  import scipy.sparse.linalg
  from scipy._lib._util import VisibleDeprecationWarning
label_desc: Use image node_id 25 for calling a global function with example usage: test_spsolve_triangular() without return types