}
@Test
public void test_callid_on_correct_stream_position() throws Exception {
SerializationService serializationService = new DefaultSerializationServiceBuilder().build();
CancellationOperation operation = new CancellationOperation(UuidUtil.buildRandomUuidString(), true);
operation.setCallerUuid(UuidUtil.buildRandomUuidString());
OperationAccessor.setCallId(operation, 12345);
Data data = serializationService.toData(operation);
long callId = IOUtil.extractOperationCallId(data, serializationService);