### Question:
ChangeLogParserFactory { public static ChangeLogParserFactory getInstance() { if (instance == null) { instance = new ChangeLogParserFactory(); } return instance; } private  ChangeLogParserFactory(); static void reset(); static ChangeLogParserFactory getInstance(); List<ChangeLogParser> getParsers(); ChangeLogParser getParser(String fileNameOrExtension, ResourceAccessor resourceAccessor); void register(ChangeLogParser changeLogParser); void unregister(ChangeLogParser changeLogParser);  }### Answer:
@Test public void getInstance() { assertNotNull(ChangeLogParserFactory.getInstance()); assertTrue(ChangeLogParserFactory.getInstance() == ChangeLogParserFactory.getInstance()); }