message: Fill bytes in object_store tests properly
diff: // limitations under the License.
  #![cfg(feature = "unstable")]
  -
  use rand::prelude::*;
  use std::io::Read;
  @@ -35,6 +34,7 @@ fn object_random() {
  let mut rng = rand::thread_rng();
  let mut bytes = Vec::with_capacity(16 * 1024 * 1024 + 22);
  + bytes.resize(16 * 1024 * 1024 + 22, 0);
  rng.try_fill_bytes(&mut bytes).unwrap();
  bucket.put("FOO", &mut bytes.as_slice()).unwrap();
  @@ -49,6 +49,7 @@ fn object_random() {
  assert_eq!(result, bytes);
  let mut bytes = Vec::with_capacity(16 * 1024 * 1024 + 22);
  + bytes.resize(16 * 1024 * 1024 + 22, 0);
  rng.try_fill_bytes(&mut bytes).unwrap();
  bucket.put("FOO", &mut bytes.as_slice()).unwrap();
  