class_docstr: Test that the random split utility in the text analytics toolkit works
  properly.
class_docstr_tok: ["Test","that","the","random","split","utility","in","the","text","analytics","toolkit","works","properly","."]
code: def setUpClass(self):
      self.docs = tc.SArray(
          [{"a": 3, "b": 5}, {"b": 5, "c": 7}, {"a": 2, "d": 3}]
      )
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import math
  import unittest
  import warnings
  import turicreate
  import turicreate.toolkits.text_analytics
  from .None import util
label_desc: Use image node_id 1 for calling the RandomWordSplitTest obj's underlying member method code with example usage: obj.setUpClass() without return types