code: def runTest(self):
      self.speech_to_text.setLanguage("<|de|>").setTask("<|translate|>")
      pipeline = Pipeline(
          stages=[self.audio_assembler, self.speech_to_text]
      )
  
      result = pipeline.fit(self.data).transform(self.data)
  
      result_text = result.select("text.result").collect()[0]["result"][
          0
      ]
  
      expected_text = " Mr. Kfilter is the apostle of the middle classes and we are glad to welcome his gospel."
  
      assert result_text == expected_text
  
imports: import unittest
  import os
  import pytest
  from pyspark.sql.functions import col
  from sparknlp.annotator import *
  from sparknlp.base import *
  from test.util import SparkSessionForTest
label_desc: Use image node_id 2 for calling the WhisperForCTCLangTaskTestSpec obj's underlying member method code with example usage: obj.runTest() without return types