message: Add more information to test asserts
diff: @@ -209,8 +209,16 @@ fn test_directory() {
  let mut dir_iter = read_dir(&dir_path).unwrap();
  let first_dir_entry = dir_iter.next().unwrap().unwrap();
  let second_dir_entry = dir_iter.next().unwrap().unwrap();
  - assert!(first_dir_entry.file_name() == "f1" || first_dir_entry.file_name() == "f2");
  - assert!(second_dir_entry.file_name() == "f1" || second_dir_entry.file_name() == "f2");
  + assert!(
  + first_dir_entry.file_name() == "f1" || first_dir_entry.file_name() == "f2",
  + "File name was {:?} instead of f1 or f2",
  + first_dir_entry.file_name(),
  + );
  + assert!(
  + second_dir_entry.file_name() == "f1" || second_dir_entry.file_name() == "f2",
  + "File name was {:?} instead of f1 or f2",
  + second_dir_entry.file_name(),
  + );
  assert!(dir_iter.next().is_none());
  drop(dir_iter);
  // Clean up the files in the directory
  