// Access protected constructor via reflection
        Constructor<CrawlerSystemException> constructor =
                CrawlerSystemException.class.getDeclaredConstructor(String.class, boolean.class, boolean.class);
        constructor.setAccessible(true);

        // Test with suppression enabled and writable stack trace
        String message1 = "Test with suppression enabled";

    @Test
    public void testPrivateConstructor() throws Exception {
        // Test that SuggestUtil has a private constructor to prevent instantiation
        Constructor<SuggestUtil> constructor = SuggestUtil.class.getDeclaredConstructor();
        assertTrue(Modifier.isPrivate(constructor.getModifiers()));

        // Make it accessible to test it throws no exception
        constructor.setAccessible(true);
        constructor.newInstance();

        if (Map.class.equals(dataClass)) {
            return dataMap;
        }

        try {
            final Object obj = dataClass.getDeclaredConstructor().newInstance();
            BeanUtil.copyMapToBean(dataMap, obj);
            return obj;
        } catch (final Exception e) {

        if (Map.class.equals(dataClass)) {
            return dataMap;
        }

        try {
            final Object obj = dataClass.getDeclaredConstructor().newInstance();
            BeanUtil.copyMapToBean(dataMap, obj);
            return obj;
        } catch (final Exception e) {