code: def test_flip_insufficient_ndim(self, dtype):
      for xp in (numpy, cupy):
          x = testing.shaped_arange((), xp, dtype)
          with pytest.raises(ValueError):
              xp.flip(x, 0)
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 11 for calling the TestFlip obj's underlying member method code with example usage: obj.test_flip_insufficient_ndim(dtype) without return types