message: fix func signatures in test
diff: @@ -63,12 +63,12 @@ fn load_and_write_uint() {
  let files = vec!["./tests/data/uint_0.csv", "./tests/data/uint_1.csv"];
  let mut dw = U64Writer::allocate(11, vec![DataType::U64; 5]).unwrap();
  let schema = dw.schema().to_vec();
  - let writers = dw.partition_writer(&[4, 7]);
  + let writers = dw.partition_writers(&[4, 7]);
  writers
  .into_par_iter()
  .zip_eq(files)
  - .for_each(|(writer, file)| Worker::new(CSVSource::new(file), writer, schema.clone())
  + .for_each(|(writer, file)| Worker::new(CSVSource::new(file), writer, schema.clone(), "")
  .run_checked()
  .expect("Worker failed"));
  