class_docstr: Tests correctness of the absolute value bijector.
code: def testCompositeTensor(self):
      bijector = absolute_value.AbsoluteValue(validate_args=True)
      flat = tf.nest.flatten(bijector, expand_composites=True)
      unflat = tf.nest.pack_sequence_as(
          bijector, flat, expand_composites=True
      )
      x = tf.convert_to_tensor([0.0, 1.0, -1.0])
      self.assertAllClose(
          bijector.forward(x),
          tf.function(lambda b_: b_.forward(x))(unflat),
      )
  
file_path: probability/tensorflow_probability/python/bijectors/absolute_value_test.py
imports: import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import absolute_value
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 4 for calling the AbsoluteValueTest obj's underlying member method code with example usage: obj.testCompositeTensor() without return types