private ConditionEvaluationResult evaluateIfAnnotated(Optional<AnnotatedElement> element) {
    Optional<DisabledOnOs> disabled = element.flatMap(el -> findAnnotation(el, DisabledOnOs.class));
    if (disabled.isPresent()) return disabledIfOn(disabled.get().value());

    Optional<TestExceptOnOs> testExcept =
        element.flatMap(el -> findAnnotation(el, TestExceptOnOs.class));
    if (testExcept.isPresent()) return disabledIfOn(testExcept.get().value());

    return ConditionEvaluationResult.enabled("");
  }
 private ConditionEvaluationResult disabledIfOn(OS[] disabledOnOs) {
   OS os = OS.determine();
   if (Arrays.asList(disabledOnOs).contains(os))
     return ConditionEvaluationResult.disabled("Test is disabled on " + os + ".");
   else return ConditionEvaluationResult.enabled("Test is not disabled in " + os + ".");
 }