return null;
        }
    }

    private void loadTestProperties() {
        // Load system.properties from test classpath
        try (InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream("system.properties")) {
            if (is != null) {
                Properties props = new Properties();
                props.load(is);

        // We skip it when container is not initialized
        try {
            HtmlTagBasedGenerator generator = new HtmlTagBasedGenerator();
            ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
            File outputFile = File.createTempFile("generator_", ".png");

            String imagePath = "thumbnail/600x400.png";

                }
                return super.loadClass(name);
            }
        };

        // Save original ClassLoader
        ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();

        try {
            // Set custom ClassLoader
            Thread.currentThread().setContextClassLoader(customClassLoader);