code: def test_prediction_score(self):
      from sahi.prediction import PredictionScore
  
      prediction_score = PredictionScore(np.array(0.6))
      self.assertEqual(type(prediction_score.value), float)
      self.assertEqual(
          prediction_score.is_greater_than_threshold(0.5), True
      )
      self.assertEqual(
          prediction_score.is_greater_than_threshold(0.7), False
      )
  
file_path: sahi/tests/test_predict.py
imports: import os
  import shutil
  import unittest
  import numpy
  from sahi.utils.cv import read_image
label_desc: Use image node_id 1 for calling the TestPredict obj's underlying member method code with example usage: obj.test_prediction_score() without return types