builder.setProxyMode(true);
builder.setRemoveFiles(true);
builder.setFileCache(16 * 1024/* pageSize */, 8 * 1024/* maxPage */);
builder.setGarbageManagement(false);
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);