}
            };
            ComponentUtil.register(mockProperties, "systemProperties");

            // Register mock system helper
            SystemHelper mockSystemHelper = new SystemHelper() {
                @Override
                public File createTempFile(String prefix, String suffix) {
                    try {
                        return File.createTempFile(prefix, suffix);

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

    @Override
    public void setUp() throws Exception {
        super.setUp();

            // Register mock system helper
            SystemHelper mockSystemHelper = new SystemHelper() {
                @Override
                public void updateSystemProperties() {
                    // Mock implementation
                }
            };
            ComponentUtil.register(mockSystemHelper, "systemHelper");

            // Register mock FessConfig