code: def test_gam_layer_call_raise_example_feature_num_error(self):
      example_inputs = tf.constant([[1], [0], [-1]], dtype=tf.float32)
      context_inputs = tf.constant(
          [[1, 2], [0, 1], [-1, 1]], dtype=tf.float32
      )
      gam = layers.GAMLayer(3, [3, 2, 1], 2, [3, 2, 1])
      with self.assertRaises(ValueError):
          _ = gam(([example_inputs], [context_inputs, context_inputs]))
  
imports: import tensorflow
  from tensorflow_ranking.python.keras import layers
label_desc: Use image node_id 4 for calling the GAMLayerTest obj's underlying member method code with example usage: obj.test_gam_layer_call_raise_example_feature_num_error() without return types