class_docstr: Common tests for noisy location-scale family of distributions.
code: def test_sampling_works(self):
      dist = self.dist_cls(loc=0, scale=[3, 5])
      sample = dist.sample((5, 4))
      self.assertEqual(sample.shape, (5, 4, 2))
  
imports: import tensorflow
  from tensorflow_compression.python.distributions import helpers
  from tensorflow_compression.python.distributions import uniform_noise
label_desc: Use image node_id 6 for calling the LocationScaleTest obj's underlying member method code with example usage: obj.test_sampling_works() without return types