builder.setCrashSafeMode(false);
final IFilePersistence filePersistence = builder.build();
filePersistence.autoSaveSetup(0);// 0 is important for the test
filePersistence.setAutoSaveEnabled(true);
filePersistence.maintainInMemorySetup(500);
filePersistence.setMaintainedInMemoryEnabled(true);
final IExclusiveDataAccessSession session = filePersistence
.createExclusiveDataAccessSession();
session.open();
session.setObject("key1", new Object());