"URI scheme to test"),
      tensorflow::Flag("cloud_path", tensorflow::SetCloudPath, "",
                       "Path for cloud filesystem (namenode for hdfs, "
                       "bucketname for s3/gcs)"),
      tensorflow::Flag("tmp_dir", tensorflow::SetTmpDir, "",
                       "Temporary directory to store test data.")};
  if (!tensorflow::Flags::Parse(&argc, argv, flag_list)) {