public void test_addSuccessUploadDesignFile() {
        String property = "testProperty";
        String arg0 = "design.css";
        FessMessages result = messages.addSuccessUploadDesignFile(property, arg0);
        assertNotNull(result);
        assertSame(messages, result);
        assertTrue(messages.hasMessageOf(property));
    }

    public void test_addSuccessUpdateDesignJspFile() {

        }

        try {
            write(uploadFile.getAbsolutePath(), form.designFile.getFileData());
            final String currentFileName = fileName;
            saveInfo(messages -> messages.addSuccessUploadDesignFile(GLOBAL, currentFileName));
        } catch (final Exception e) {
            logger.error("Failed to write an image file: {}", fileName, e);

     * </pre>
     * @param property The property name for the message. (NotNull)
     * @param arg0 The parameter arg0 for message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addSuccessUploadDesignFile(String property, String arg0) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(SUCCESS_upload_design_file, arg0));
        return this;
    }

    /**