assertEquals("Invalid cron expression format", violation.getMessage());
    }

    // Test annotation on method parameter
    public void test_annotationOnMethod() throws Exception {
        Method method = TestService.class.getDeclaredMethod("scheduledTask", String.class);
        Annotation[][] paramAnnotations = method.getParameterAnnotations();

        assertEquals("Payload class should match", TestPayload.class, annotation.payload()[0]);
    }

    // Test annotation on method
    public void test_annotationOnMethod() throws Exception {
        final Method method = CustomSizeTest.class.getMethod("testMethod");
        final CustomSize annotation = method.getAnnotation(CustomSize.class);

        assertEquals("Second payload should be AnotherTestPayload", AnotherTestPayload.class, annotation.payload()[1]);
    }

    // Test annotation on method
    public void test_annotationOnMethod() throws Exception {
        final Method method = UriTypeTest.class.getMethod("testMethod");
        final UriType annotation = method.getAnnotation(UriType.class);