code: def test_flipud_1(self, xp, dtype):
      x = testing.shaped_arange((3,), xp, dtype)
      return xp.flipud(x)
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestFlipud obj's underlying member method code with example usage: obj.test_flipud_1(xp, dtype) and returns: xp