code: def test_normalization(self):
      record1 = tf.constant([-6.0, 8.0])  # Clipped to [-3.0, 4.0].
      record2 = tf.constant([4.0, -3.0])  # Not clipped.
  
      sum_query = gaussian_query.GaussianSumQuery(
          l2_norm_clip=5.0, stddev=0.0
      )
      query = normalized_query.NormalizedQuery(
          numerator_query=sum_query, denominator=2.0
      )
  
      query_result, _ = test_utils.run_query(query, [record1, record2])
      expected = [0.5, 0.5]
      self.assertAllClose(query_result, expected)
  
imports: import tensorflow
  from tensorflow_privacy.privacy.dp_query import gaussian_query
  from tensorflow_privacy.privacy.dp_query import normalized_query
  from tensorflow_privacy.privacy.dp_query import test_utils
label_desc: Use image node_id 1 for calling the NormalizedQueryTest obj's underlying member method code with example usage: obj.test_normalization() without return types