code: def test_flip_2(self, xp, dtype):
      x = testing.shaped_arange((3, 4), xp, dtype)
      return xp.flip(x, 1)
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 2 for calling the TestFlip obj's underlying member method code with example usage: obj.test_flip_2(xp, dtype) and returns: xp