// `S3` and `GCS` require the `root_dir_` to have bucket name
// `HDFS` requires the `root_dir` to have namenode
// `root_dir_ = scheme + "://" cloud_path_ + root_dir_`
static bool SetCloudPath(const std::string& cloud_path_) {
  ModularFileSystemTest::SetCloudPath(cloud_path_);
  return true;
}

static bool SetTmpDir(const std::string& tmp_dir_) {
  ModularFileSystemTest::SetTmpDir(tmp_dir_);
  return true;
}