svoid allTests_structure() {
  test_structure_customObjects();
  test_structure_synchroList();
  test_restructure_syncLinkedList();
  test_structure_synchroLinkedHashMap();
  test_structure_synchronizedTreeMap();
  test_restructure_MRUCache();
  test_restructure_syncMRUCache();
  test_restructure_MRUAndAllTimeTop();
}