关于Xcode中Apple Accessibility Audit的elementDetection违规问题咨询

我正在研究Xcode里的Apple Accessibility Audit，完全搞不清XCUIAccessibilityAuditTypeElementDetection这类审计的工作逻辑。我的目标是构造特定元素，让无障碍审计能检测出该类型的违规，但试了几种方法都没成功：

• 给自定义按钮添加了无名称的UIAccessibilityCustomAction，理论上应该触发elementDetection违规，但没生效
• 创建了尺寸为0×0的不可见元素，将其isAccessibilityElement设为true，未触发违规
• 设置了屏幕外元素并把isAccessibilityElement设为true，同样没成功

附上我写的自定义按钮代码：

class ProductCardView: UIButton {
    private let productImageView = UIImageView()
    private let productNameLabel = UILabel()
    private let productPriceLabel = UILabel()
    
    init() {
        super.init(frame: .zero)
        setupViews()
        setupAccessibility()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    private func setupViews() {
        productImageView.image = UIImage(named: "exampleImage")
        productNameLabel.text = "Product Name"
        productPriceLabel.text = "$99.99"
        
        addSubview(productImageView)
        addSubview(productNameLabel)
        addSubview(productPriceLabel)
        
        productImageView.snp.makeConstraints { make in
            make.top.left.right.equalToSuperview()
            make.height.equalTo(200)
        }
        
        productNameLabel.snp.makeConstraints { make in
            make.top.equalTo(productImageView.snp.bottom).offset(8)
            make.left.right.equalToSuperview().inset(8)
        }
        
        productPriceLabel.snp.makeConstraints { make in
            make.top.equalTo(productNameLabel.snp.bottom).offset(4)
            make.left.right.bottom.equalToSuperview().inset(8)
        }
    }
    
    private func setupAccessibility() {
        isAccessibilityElement = false
        productNameLabel.isAccessibilityElement = true
        productNameLabel.accessibilityLabel = nil
        let customAction = UIAccessibilityCustomAction(name: "", target: self, selector: #selector(handleCustomAction))
        accessibilityCustomActions = [customAction]
        
    }
    @objc private func handleCustomAction() -> Bool {
        print("Custom action performed.")
        return true
    }
}

内容的提问来源于stack exchange，提问作者Илья