class_docstr: Test cases for random-number generating operators.
code: def output_dtypes(self):
      return set(self.int_types).intersection([np.int32, np.int64])
  
imports: import collections
  import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import random_seed
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import random_ops
  from tensorflow.python.ops import stateless_random_ops
  from tensorflow.python.platform import googletest
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the CategoricalTest obj's underlying member method code with example usage: obj.output_dtypes() and returns: set