docstr: Checks that unconstrained parameters yield finite joint densities.
docstr_tok: ["Checks","that","unconstrained","parameters","yield","finite","joint","densities","."]
code: def testBrownianMotion(self):
      """Checks that unconstrained parameters yield finite joint densities."""
      model = brownian_motion.BrownianMotion(**_test_dataset())
      self.validate_log_prob_and_transforms(
          model, sample_transformation_shapes=dict(identity=[30])
      )
  
file_path: probability/spinoffs/inference_gym/inference_gym/targets/brownian_motion_test.py
imports: import functools
  import numpy
  import tensorflow.compat.v2
  from tensorflow_probability.python.internal import test_util
  from inference_gym.internal import test_util
  from inference_gym.targets import brownian_motion
label_desc: Use image node_id 1 for calling the BrownianMotionTest obj's underlying member method code with example usage: obj.testBrownianMotion() without return types