code: def testBetaProperty(self):
      a = [[1.0, 2, 3]]
      b = [[2.0, 4, 3]]
      dist = beta.Beta(a, b, validate_args=True)
      self.assertEqual([1, 3], dist.concentration0.shape)
      self.assertAllClose(b, self.evaluate(dist.concentration0))
  
imports: from absl.testing import parameterized
  import numpy
  from scipy import special
  from scipy import stats
  import tensorflow.compat.v2
  from tensorflow_probability.python.distributions import beta
  from tensorflow_probability.python.distributions import kullback_leibler
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.math import gradient
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