code: def testScalarDecode(self):
      text = constant_op.constant("仅今年前".encode("utf-8"))
      chars = ragged_string_ops.unicode_decode(text, "utf-8")
      self.assertAllEqual(chars, [ord(c) for c in "仅今年前"])
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_string_ops
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.ops.ragged import ragged_string_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the UnicodeDecodeTest obj's underlying member method code with example usage: obj.testScalarDecode() without return types