code: def testAlphaProperty(self):
      alpha = [[1.0, 2, 3]]
      with self.cached_session():
          dist = ds.DirichletMultinomial(1, alpha)
          self.assertEqual([1, 3], dist.concentration.get_shape())
          self.assertAllClose(alpha, dist.concentration)
  
imports: import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  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_multinomial
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the DirichletMultinomialTest obj's underlying member method code with example usage: obj.testAlphaProperty() without return types