code: def testPickleSerialization(self):
      desc = tensor.TensorSpec([1, 5], dtypes.float32, "test")
      self.assertEqual(pickle.loads(pickle.dumps(desc)), desc)
  
imports: import pickle
  from absl.testing import parameterized
  import numpy
  from tensorflow.core.framework import full_type_pb2
  from tensorflow.core.function import trace_type
  from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.framework import type_spec
  from tensorflow.python.framework.type_utils import fulltypes_for_flat_tensors
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 13 for calling the TensorSpecTest obj's underlying member method code with example usage: obj.testPickleSerialization() without return types