@Test
public void testConvertStoragInfo() {

  StorageInfo info = getStorageInfo(NodeType.NAME_NODE);
  StorageInfoProto infoProto = PBHelper.convert(info);
  StorageInfo info2 = PBHelper.convert(infoProto, NodeType.NAME_NODE);
  assertEquals(info.getClusterID(), info2.getClusterID());
  assertEquals(info.getCTime(), info2.getCTime());
  assertEquals(info.getLayoutVersion(), info2.getLayoutVersion());
  assertEquals(info.getNamespaceID(), info2.getNamespaceID());
}