code: def test_categorical_errors(self):
      with self.assertRaises(ValueError):
          random.categorical(np.ones((5,)), 5)
      with self.assertRaises(ValueError):
          random.categorical(np.ones((5, 5, 5)), 5)
  
imports: import numpy
  import pytest
  from absl.testing import parameterized
  import keras
  from keras import backend
  from keras import ops
  from keras import testing
  from keras.random import random
  from keras.random import seed_generator
  from keras.utils.rng_utils import set_random_seed
label_desc: Use image node_id 4 for calling the RandomTest obj's underlying member method code with example usage: obj.test_categorical_errors() without return types