code: def test_invalid_rounding(self):
      with self.assertRaisesWithPredicateMatch(
          ValueError, "Rounding should be"
      ):
          splits.ReadInstruction(
              "test", unit="%", rounding="unexisting"
          )
  
imports: from tensorflow_datasets import testing
  from tensorflow_datasets.core import naming
  from tensorflow_datasets.core import proto
  from tensorflow_datasets.core import splits
  from tensorflow_datasets.core.utils import shard_utils
  import tensorflow_datasets.public_api
label_desc: Use image node_id 7 for calling the ReadInstructionTest obj's underlying member method code with example usage: obj.test_invalid_rounding() without return types