code: def testValueType(self):
      spec1 = StructuredTensor.Spec(
          _ragged_shape=DynamicRaggedShape.Spec(
              row_partitions=[],
              static_inner_shape=[1, 2],
              dtype=dtypes.int64,
          ),
          _fields=dict(a=T_1_2),
      )
      self.assertEqual(spec1.value_type, StructuredTensor)
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.eager import context
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.framework import test_util
  from tensorflow.python.framework import type_spec
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.ops.ragged import row_partition
  from tensorflow.python.ops.ragged.dynamic_ragged_shape import DynamicRaggedShape
  from tensorflow.python.ops.structured import structured_tensor
  from tensorflow.python.ops.structured.structured_tensor import StructuredTensor
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 5 for calling the StructuredTensorSpecTest obj's underlying member method code with example usage: obj.testValueType() without return types