code: def test_diags_non_square(self, xp, sp):
      x = sp.diags(
          [xp.arange(5), xp.arange(3)],
          offsets=[0, -2],
          shape=(5, 10),
          dtype=self.dtype,
          format=self.format,
      )
      assert isinstance(x, sp.spmatrix)
      assert x.format == self.format
      return x
  
imports: import functools
  import re
  from unittest import mock
  import numpy
  import pytest
  import cupy
  from cupy import testing
  from cupy.cuda import runtime
  from cupyx.scipy import sparse
  from cupyx.scipy.sparse import _construct
label_desc: Use image node_id 5 for calling the TestDiags obj's underlying member method code with example usage: obj.test_diags_non_square(xp, sp) and returns: x