message: Use unwrap not Result in tests
diff: @@ -44,16 +44,15 @@ mod test {
  use tempdir::TempDir;
  #[test]
  - fn save_and_load() -> Result<(), Error> {
  - let tmp_dir = TempDir::new("comswasm_vm_test")?;
  + fn save_and_load() {
  + let tmp_dir = TempDir::new("comswasm_vm_test").unwrap();
  let path = tmp_dir.path().to_str().unwrap();
  let code = vec![12u8; 17];
  - let id = save(path, &code)?;
  + let id = save(path, &code).unwrap();
  assert_eq!(id.len(), 32);
  - let loaded = load(path, &id)?;
  + let loaded = load(path, &id).unwrap();
  assert_eq!(code, loaded);
  - Ok(())
  }
  #[test]
  