message: cleanup test custom storage directory
diff: @@ -813,19 +813,24 @@ mod tests {
  "path": _custom_path("sqlite_storage_type_create_works_for_custom_path")
  }).to_string();
  - let my_path = _custom_path("sqlite_storage_type_create_works_for_custom_path");
  - let path = Path::new(&my_path);
  - if path.exists() {
  - fs::remove_dir_all(path).unwrap();
  - }
  + _cleanup_custom_path("sqlite_storage_type_create_works_for_custom_path");
  let storage_type = SQLiteStorageType::new();
  storage_type.create_storage("sqlite_storage_type_create_works_for_custom_path", Some(&config), None, &_metadata()).unwrap();
  storage_type.delete_storage("sqlite_storage_type_create_works_for_custom_path", Some(&config), None).unwrap();
  + _cleanup_custom_path("sqlite_storage_type_create_works_for_custom_path");
  _cleanup("sqlite_storage_type_create_works_for_custom_path");
  }
  + fn _cleanup_custom_path(custom_path: &str) {
  + let my_path = _custom_path(custom_path);
  + let path = Path::new(&my_path);
  + if path.exists() {
  + fs::remove_dir_all(path).unwrap();
  + }
  + }
  +
  #[test]
  fn sqlite_storage_type_create_works_for_twice() {
  _cleanup("sqlite_storage_type_create_works_for_twice");
  