func testImageComparison() {
    let app = XCUIApplication()
    app.launch()
    
    // 获取屏幕截图
    let screenshot = app.windows.firstMatch.screenshot()
    let screenshotImage = screenshot.image
    
    // 加载参考图像
    let bundle = Bundle(for: type(of: self))
    guard let referenceImage = UIImage(named: "referenceImage", in: bundle, compatibleWith: nil) else {
        XCTFail("Reference image not found")
        return
    }
    
    // 比较图像
    let comparisonResult = compareImages(image1: screenshotImage, image2: referenceImage)
    
    XCTAssertTrue(comparisonResult, "Screenshot does not match reference image")
}

private func compareImages(image1: UIImage, image2: UIImage) -> Bool {
    guard let data1 = image1.pngData(), let data2 = image2.pngData() else {
        return false
    }
    return data1 == data2
}

import SnapshotTesting

func testSnapshot() {
    let app = XCUIApplication()
    app.launch()
    
    assertSnapshot(matching: app, as: .image)
}

assertSnapshot(matching: app, as: .image(tolerance: 0.01)) // 1%容忍度