Map<String, String> required = [:]
        getAllAnnotations(testAnnotations, RequiredFeature).each { required[it.feature()] = it.value() }
        getAllAnnotations(testAnnotations, RequiredFeatures).each { extractRequiredFeatures(it, required) }
        required
    }

    static <A> Collection<A> getAllAnnotations(testAnnotations, Class<A> annotationType) {