code: def testFullTypesForFlatTensors(self):
      spec = tensor.TensorSpec([1], np.float32)
      full_type_list = fulltypes_for_flat_tensors(spec)
      expect = [
          full_type_pb2.FullTypeDef(type_id=full_type_pb2.TFT_UNSET)
      ]
      self.assertEqual(
          len(spec._flat_tensor_specs), len(full_type_list)
      )
      self.assertEqual(expect, full_type_list)
  
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 21 for calling the TensorSpecTest obj's underlying member method code with example usage: obj.testFullTypesForFlatTensors() without return types