code: def test_config(self):
      optimizer = Adam(
          learning_rate=0.5,
          beta_1=0.5,
          beta_2=0.67,
          epsilon=1e-5,
          amsgrad=True,
      )
      self.run_class_serialization_test(optimizer)
  
file_path: keras/keras/optimizers/adam_test.py
imports: import numpy
  import pytest
  import keras
  from keras import backend
  from keras import ops
  from keras import testing
  from keras.optimizers.adam import Adam
label_desc: Use image node_id 1 for calling the AdamTest obj's underlying member method code with example usage: obj.test_config() without return types