code: def test_simpson_accuracy(self):
      for test_case in BASIC_TEST_CASES:
          self._test_accuracy(tff_int.simpson, {}, test_case, 1e-8)
  
imports: import collections
  import math
  import numpy
  import tensorflow.compat.v2
  import tf_quant_finance
  from tensorflow.python.framework import test_util
  from tf_quant_finance.math.integration import adaptive_update
label_desc: Use image node_id 16 for calling the IntegrationTest obj's underlying member method code with example usage: obj.test_simpson_accuracy() without return types