class_docstr: yahoo answer data class test for cls task.
class_docstr_tok: ["yahoo","answer","data","class","test","for","cls","task","."]
code: def test_build(self):
      yahoo_answer = YahooAnswer("yahoo_answer")
      yahoo_answer.build()
      self.assertTrue(yahoo_answer.is_ready())
  
imports: from absl import logging
  import delta.compat
  from delta.data.datasets.yahoo_answer import YahooAnswer
label_desc: Use image node_id 1 for calling the YahooAnswerTest obj's underlying member method code with example usage: obj.test_build() without return types