// Test process with properties path
    @Test
    public void test_process_withPropertiesPath() {
        try {
            // Create temporary properties file
            File tempPropFile = File.createTempFile("test_suggest_", ".properties");
            tempPropFile.deleteOnExit();
            FileUtil.writeBytes(tempPropFile.getAbsolutePath(), "test.property=value".getBytes());

        try {
            helper.init();
            assertNotNull(helper.suggester());
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_suggester() {
        try {
            assertNull(suggestHelper.suggester());
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_setSearchStoreInterval() {