code: def testConvertValueForSpec(self, value, value_type, expected=None):
      if callable(value):
          value = value()  # deferred construction (contains tensor)
      if expected is None:
          expected = value
      converted = extension_type_field._convert_value(
          value,
          value_type,
          ("x",),
          extension_type_field._ConversionContext.SPEC,
      )
      if isinstance(
          converted, (tensor.Tensor, ragged_tensor.RaggedTensor)
      ):
          self.assertAllEqual(converted, expected)
      else:
          self.assertEqual(converted, expected)
  
imports: import sys
  import typing
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import extension_type_field
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 3 for calling the FieldValueConverterTest obj's underlying member method code with example usage: obj.testConvertValueForSpec(value, value_type, expected) without return types