code: def testExceptions(self, exception=None, message=None, **args):
      with self.assertRaisesRegex(exception, message):
          self.evaluate(ragged_string_ops.unicode_decode(**args))
  
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 14 for calling the UnicodeDecodeTest obj's underlying member method code with example usage: obj.testExceptions(exception, message) without return types