code: def test_non_list_input_fails(self):
      with self.assertRaisesRegex(
          ValueError, "should be called on a list"
      ):
          layers.HashedCrossing(num_bins=10)(np.array(1))
  
file_path: keras/keras/layers/preprocessing/hashed_crossing_test.py
imports: import numpy
  import pytest
  import tensorflow
  from keras import backend
  from keras import layers
  from keras import testing
label_desc: Use image node_id 6 for calling the HashedCrossingTest obj's underlying member method code with example usage: obj.test_non_list_input_fails() without return types