code: def testBetaProperty(self):
      a = [[1.0, 2, 3]]
      b = [[2.0, 4, 3]]
      dist = beta_lib.Beta(a, b)
      self.assertEqual([1, 3], dist.concentration0.get_shape())
      self.assertAllClose(b, self.evaluate(dist.concentration0))
  
imports: import importlib
  import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import random_seed
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.ops.distributions import beta
  from tensorflow.python.ops.distributions import kullback_leibler
  from tensorflow.python.platform import test
  from tensorflow.python.platform import tf_logging
label_desc: Use image node_id 5 for calling the BetaTest obj's underlying member method code with example usage: obj.testBetaProperty() without return types