code: def test_random_distort(self):
      img = np.random.randint(0, 256, size=(3, 48, 32)).astype(
          np.float32
      )
  
      out = random_distort(img)
      self.assertEqual(out.shape, img.shape)
      self.assertEqual(out.dtype, img.dtype)
  
imports: import numpy
  import unittest
  from chainer import testing
  from chainercv.links.model.ssd import random_distort
label_desc: Use image node_id 1 for calling the TestRandomDistort obj's underlying member method code with example usage: obj.test_random_distort() without return types