code: def get_rng(self, xp, seed):
      pass
  
imports: import functools
  import unittest
  import numpy
  import cupy
  from cupy import testing
  from cupy.testing import _condition
label_desc: Use image node_id 1 for calling the BaseGeneratorTestCase obj's underlying member method code with example usage: obj.get_rng(xp, seed) without return types