code: def test_brightness(self):
      brightness = Brightness(0.0, 32.0)
      self.transformer_test(brightness)
  
imports: import pytest
  import os
  from bigdl.dllib.utils.common import *
  from bigdl.dllib.feature.transform.vision.image import *
  import tempfile
label_desc: Use image node_id 12 for calling the TestLayer obj's underlying member method code with example usage: obj.test_brightness() without return types