code: def setUp(self):
      self.__seed = testing.generate_seed()
      # rng will be a new or old generator API object
      self.rng = self.get_rng(cupy, self.__seed)
  
imports: import functools
  import unittest
  import numpy
  import cupy
  from cupy import testing
  from cupy.testing import _condition
label_desc: Use image node_id 3 for calling the BaseGeneratorTestCase obj's underlying member method code with example usage: obj.setUp() without return types