docstr: Tests that the output of the delta transformation is correct.
docstr_tok: ["Tests","that","the","output","of","the","delta","transformation","is","correct","."]
code: def testTailBijectorIdentities(self, value, delta, expected):
      """Tests that the output of the delta transformation is correct."""
      ht = lambertw_transform.LambertWTail(
          shift=0.0,
          scale=1.0,
          tailweight=tf.constant(delta, tf.float64),
      )
      self.assertAllClose(
          ht.forward(np.float64(value)), np.float64(expected)
      )
  
imports: from absl.testing import parameterized
  import numpy
  from scipy import special
  from scipy import stats
  import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import lambertw_transform
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 1 for calling the HeavyTailOnlyBijectorTest obj's underlying member method code with example usage: obj.testTailBijectorIdentities(value, delta, expected) without return types