code: def test_call(self):
      tf.random.set_seed(1)
      din_layer = self._get_din_layer()
      output = din_layer(
          inputs=(self._inputs, self._mask), training=False
      )
      self.assertEqual(output.shape.as_list(), [2, 3, self._head_size])
  
      expected_output = tf.convert_to_tensor(
          [
              [[-1.0, 1.0000001], [-1.0, 1.0000001], [-1.0, 1.0000001]],
              [[-1.0, 0.99999994], [-1.0, 1.0], [-1.0, 1.0]],
          ]
      )
      self.assertAllClose(expected_output, output)
  
imports: import tensorflow
  from tensorflow_ranking.python.keras import layers
label_desc: Use image node_id 5 for calling the DocumentInteractionAttentionLayerTest obj's underlying member method code with example usage: obj.test_call() without return types