assertTrue(exceptionHandled.get());
    }

    // Test with a custom ClassLoader to simulate class availability
    public void test_hook_withCustomClassLoader() throws Exception {
        // Create a custom ClassLoader that can control class loading behavior
        ClassLoader customClassLoader = new URLClassLoader(new URL[0], null) {
            @Override

            HtmlTagBasedGenerator generator = new HtmlTagBasedGenerator();
            ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
            File outputFile = File.createTempFile("generator_", ".png");

            String imagePath = "thumbnail/600x400.png";
            try (ImageInputStream input = ImageIO.createImageInputStream(classLoader.getResourceAsStream(imagePath))) {
                generator.saveImage(input, outputFile);

        }

        @Override
        public jakarta.servlet.descriptor.JspConfigDescriptor getJspConfigDescriptor() {
            return null;
        }

        @Override
        public ClassLoader getClassLoader() {
            return null;
        }

        @Override
        public void declareRoles(String... roleNames) {
        }

        @Override

        }

        @Override
        public jakarta.servlet.descriptor.JspConfigDescriptor getJspConfigDescriptor() {
            return null;
        }

        @Override
        public ClassLoader getClassLoader() {
            return null;
        }

        @Override
        public void declareRoles(String... roleNames) {
        }

        @Override

        }

        @Override
        public jakarta.servlet.descriptor.JspConfigDescriptor getJspConfigDescriptor() {
            return null;
        }

        @Override
        public ClassLoader getClassLoader() {
            return getClass().getClassLoader();
        }

        @Override
        public void declareRoles(String... roleNames) {
        }

        @Override