assertEquals("First payload should be TestPayload", TestPayload.class, annotation.payload()[0]);
        assertEquals("Second payload should be AnotherTestPayload", AnotherTestPayload.class, annotation.payload()[1]);
    }

    // Test annotation on method
    public void test_annotationOnMethod() throws Exception {

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

    // Additional test interfaces for multiple groups/payloads test
    private interface AnotherTestGroup {
    }

    private static class AnotherTestPayload implements Payload {
    }

    // Helper methods to get default values