if (tempDir != null && tempDir.exists()) {
            deleteDirectory(tempDir);
        }
        super.tearDown();
    }

    private void deleteDirectory(File dir) {
        File[] files = dir.listFiles();
        if (files != null) {
            for (File file : files) {
                if (file.isDirectory()) {
                    deleteDirectory(file);
                } else {

        if (tempDir != null && tempDir.exists()) {
            deleteDirectory(tempDir);
        }
        super.tearDown();
    }

    private void deleteDirectory(File dir) {
        File[] files = dir.listFiles();
        if (files != null) {
            for (File file : files) {
                if (file.isDirectory()) {
                    deleteDirectory(file);
                } else {
                    file.delete();

            deleteDirectory(tempDir);
        }
        ComponentUtil.setFessConfig(null);
        super.tearDown();
    }

    private void deleteDirectory(File dir) {
        if (dir.isDirectory()) {
            File[] files = dir.listFiles();
            if (files != null) {
                for (File file : files) {
                    deleteDirectory(file);
                }
            }

        }
    }

    // Helper method to delete directory recursively
    private void deleteDirectory(File dir) {
        if (dir.isDirectory()) {
            File[] children = dir.listFiles();
            if (children != null) {
                for (File child : children) {
                    deleteDirectory(child);
                }
            }
        }
        dir.delete();
    }