class_docstr: Tests the correctness of the Y = Chain(bij1, bij2, bij3) transformation.
code: def testMinEventNdimsShapeChangingAddDims(self):
      self._validateChainMinEventNdims(
          bijectors=[ShapeChanging()],
          forward_min_event_ndims=0,
          inverse_min_event_ndims=3,
      )
  
      self._validateChainMinEventNdims(
          bijectors=[
              ShapeChanging(),
              scale_matvec_diag.ScaleMatvecDiag(scale_diag=[1.0, 1.0]),
          ],
          forward_min_event_ndims=1,
          inverse_min_event_ndims=4,
      )
  
      self._validateChainMinEventNdims(
          bijectors=[ShapeChanging(), ShapeChanging()],
          forward_min_event_ndims=0,
          inverse_min_event_ndims=6,
      )
  
imports: import mock
  import numpy
  import tensorflow.compat.v1
  import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import bijector
  from tensorflow_probability.python.bijectors import bijector_test_util
  from tensorflow_probability.python.bijectors import chain
  from tensorflow_probability.python.bijectors import exp
  from tensorflow_probability.python.bijectors import identity
  from tensorflow_probability.python.bijectors import inline
  from tensorflow_probability.python.bijectors import invert
  from tensorflow_probability.python.bijectors import joint_map
  from tensorflow_probability.python.bijectors import restructure
  from tensorflow_probability.python.bijectors import scale
  from tensorflow_probability.python.bijectors import scale_matvec_diag
  from tensorflow_probability.python.bijectors import softmax_centered
  from tensorflow_probability.python.bijectors import softplus
  from tensorflow_probability.python.bijectors import split
  from tensorflow_probability.python.internal import tensorshape_util
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 8 for calling the ChainBijectorTest obj's underlying member method code with example usage: obj.testMinEventNdimsShapeChangingAddDims() without return types