class_docstr: Test document retrieval functions in the `text_analytics` toolkit.
class_docstr_tok: ["Test","document","retrieval","functions","in","the","`","text_analytics","`","toolkit","."]
code: def setUpClass(self):
      self.data = tc.SArray(
          [
              {"a": 5, "b": 7, "c": 10},
              {"a": 3, "c": 1, "d": 2},
              {"a": 10, "b": 3, "e": 5},
              {"a": 1},
              {"f": 5},
          ]
      )
  
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 RetrievalTest obj's underlying member method code with example usage: obj.setUpClass() without return types