code: def testConcentrationProperty(self):
      alpha = [[1.0, 2, 3]]
      dist = dirichlet_lib.Dirichlet(alpha)
      self.assertEqual([1, 3], dist.concentration.get_shape())
      self.assertAllClose(alpha, self.evaluate(dist.concentration))
  
imports: import importlib
  import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops.distributions import dirichlet
  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 3 for calling the DirichletTest obj's underlying member method code with example usage: obj.testConcentrationProperty() without return types