code: def setUp(self):
      self.spark = SparkContextForTest.spark
      self.text = "I have a problem with my iphone that needs to be resolved asap!!"
      self.inputDataset = self.spark.createDataFrame(
          [[self.text]]
      ).toDF("text")
  
file_path: spark-nlp/python/test/annotator/classifier_dl/roberta_for_zero_shot_classification_test.py
imports: import unittest
  import pytest
  from sparknlp.annotator import *
  from sparknlp.base import *
  from test.util import SparkContextForTest
label_desc: Use image node_id 1 for calling the RoBertaForZeroShotClassificationTestSpec obj's underlying member method code with example usage: obj.setUp() without return types