private MockServletContext mockServletContext;
    private MockProcessHelper mockProcessHelper;
    private MockFessConfig mockFessConfig;
    private MockSystemHelper mockSystemHelper;
    private MockPopularWordHelper mockPopularWordHelper;
    private File tempDir;

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);

        // Create temp directory for testing first

        ComponentUtil.register(new MockBadWordBhv(), "badWordBhv");
        ComponentUtil.register(new MockSystemHelper(), "systemHelper");
        ComponentUtil.register(new MockPopularWordHelper(), "popularWordHelper");
    }

    @Test
    public void test_init() {
        SuggestHelper helper = new SuggestHelper();
        try {
            helper.init();