code: def test_diagonal_invalid2(self):
      for xp in (numpy, cupy):
          a = testing.shaped_arange((3, 3, 3), xp)
          with pytest.raises(IndexError):
              a.diagonal(0, 2, -4)
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 23 for calling the TestIndexing obj's underlying member method code with example usage: obj.test_diagonal_invalid2() without return types