code: def setUp(self):
      self.x = testing.shaped_arange((3, 4), cupy, self.dtype)
      self.gy = testing.shaped_arange((3, 4), cupy, self.dtype)
      self.states = cudnn.DropoutStates(None, self.seed)
  
imports: import sys
  import numpy
  import pytest
  import cupy
  import cupy.cuda.cudnn
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestCudnnDropout obj's underlying member method code with example usage: obj.setUp() without return types