std::string path = GetURIForPath("a_file");
  auto gcs_file =
      static_cast<tf_gcs_filesystem::GCSFile*>(filesystem_->plugin_filesystem);
  ASSERT_TRUE(InsertObject(path, "0123456789", &gcs_file->gcs_client, status_));

  TF_RandomAccessFile* file = new TF_RandomAccessFile;
  tf_gcs_filesystem::NewRandomAccessFile(filesystem_, path.c_str(), file,
                                         status_);