@Before
    public void setUp () throws Exception {
        super.setUp();
        this.executor = Executors.newSingleThreadExecutor();
        this.base = createTestDirectory();
    }


    @Override
    @After
    public void tearDown () throws Exception {
        if ( this.executor != null ) {
            this.executor.shutdown();
            if ( this.future != null ) {
                this.future.cancel(true);

    }


    @Override
    @Before
    public void setUp () throws Exception {
        super.setUp();
        this.executor = Executors.newCachedThreadPool();
    }


    @After
    @Override
    public void tearDown () throws Exception {
        this.executor.shutdown();
        this.executor.awaitTermination(10, TimeUnit.SECONDS);
        super.tearDown();
    }


    @Test