code: def testRaggedTensorSplitsRaggedRankMismatchError(self):
      x = ragged_factory_ops.constant([[3, 1, 4], [], [1, 5]])
      y = ragged_factory_ops.constant([[[3, 1, 4], []], [], [[1, 5]]])
      with self.assertRaisesRegex(
          ValueError,
          r"All ragged inputs must have the same ragged_rank.",
      ):
          ragged_functional_ops.map_flat_values(math_ops.add, x, y)
  
imports: from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.ops.ragged import ragged_functional_ops
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 14 for calling the RaggedMapInnerValuesOpTest obj's underlying member method code with example usage: obj.testRaggedTensorSplitsRaggedRankMismatchError() without return types