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