code: def test_create_tower(self):
      inputs = tf.constant(
          [[[1], [0], [-1]], [[0], [1], [0]]], dtype=tf.float32
      )
      tower = layers.create_tower([3, 2, 1], 1)
      outputs = tower(inputs)
      self.assertAllEqual([2, 3, 1], outputs.get_shape().as_list())
  
imports: import tensorflow
  from tensorflow_ranking.python.keras import layers
label_desc: Use image node_id 1 for calling the TowerTest obj's underlying member method code with example usage: obj.test_create_tower() without return types