code: def testWriteNoChunks(self):
      path = os.path.join(self.create_tempdir(), "split-none")
      proto = test_message_pb2.RepeatedString(strings=["a", "bc", "de"])
      returned_path = NoOpSplitter(proto).write(path)
  
      expected_file_path = path + ".pb"
      self.assertTrue(os.path.isfile(expected_file_path))
      self.assertEqual(returned_path, expected_file_path)
  
      parsed_proto = test_message_pb2.RepeatedString()
      with open(expected_file_path, "rb") as f:
          parsed_proto.ParseFromString(f.read())
      self.assertProtoEquals(proto, parsed_proto)
  
imports: import os
  import random
  import string
  import riegeli
  from tensorflow.python.platform import test
  from tensorflow.tools.proto_splitter import chunk_pb2
  from tensorflow.tools.proto_splitter import split
  from tensorflow.tools.proto_splitter.testdata import test_message_pb2
label_desc: Use image node_id 1 for calling the NoOpSplitterTest obj's underlying member method code with example usage: obj.testWriteNoChunks() without return types