在UI测试和SKTestSession中SKProductsRequest在Xcode 12 GM中失败

let testSession = try SKTestSession(configuration: .init(bundleId: "com.yourapp.bundleid"))
testSession.addPaymentTransactionObserver(self)

import XCTest
import StoreKit

class IAPTests: XCTestCase {
    var productsRequest: SKProductsRequest?
    var products: [SKProduct] = []

    override func setUpWithError() throws {
        try super.setUpWithError()
        let productIdentifiers: Set<String> = ["com.yourapp.productid"]
        productsRequest = SKProductsRequest(productIdentifiers: productIdentifiers)
        productsRequest?.delegate = self
        productsRequest?.start()
    }

    override func tearDownWithError() throws {
        productsRequest?.cancel()
        productsRequest = nil
        try super.tearDownWithError()
    }

    func productsRequest(_ request: SKProductsRequest, didReceive response: SKProductsResponse) {
        products = response.products
        for product in products {
            print("Found product: \(product.productIdentifier) - \(product.localizedTitle)")
        }
    }
}

extension IAPTests: SKProductsRequestDelegate {
    func request(_ request: SKRequest, didFailWithError error: Error) {
        XCTFail("Products request failed with error: \(error.localizedDescription)")
    }
}