code: def testUnsortedValuesRaises(self):
      with self.assertRaisesOpError(
          "map_values is not strictly increasing"
      ):
          bijector = categorical_to_discrete.CategoricalToDiscrete(
              map_values=[1, 3, 2], validate_args=True
          )
          self.evaluate(bijector.forward([0, 1, 2]))
  
imports: import numpy
  import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import bijector_test_util
  from tensorflow_probability.python.bijectors import categorical_to_discrete
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.math import gradient
label_desc: Use image node_id 1 for calling the CategoricalToDiscreteTest obj's underlying member method code with example usage: obj.testUnsortedValuesRaises() without return types