code: def test_prelu(self):
      self.run_layer_test(
          prelu.PReLU,
          init_kwargs={
              "alpha_initializer": "zeros",
              "alpha_regularizer": "L1",
              "alpha_constraint": "MaxNorm",
              "shared_axes": 1,
          },
          input_shape=(2, 3, 4),
          supports_masking=True,
      )
  
file_path: keras/keras/layers/activations/prelu_test.py
imports: import numpy
  import pytest
  from keras import testing
  from keras.layers.activations import prelu
label_desc: Use image node_id 1 for calling the PReLUTest obj's underlying member method code with example usage: obj.test_prelu() without return types