         checkoutPreference._id = nil
         self.mpCheckout = MercadoPagoCheckout(checkoutPreference: checkoutPreference, navigationController: navControllerInstance)
         self.mpCheckout!.validatePreference()
-//        XCTAssertNotEqual(navControllerInstance.viewControllers.count, 0)
-//        let lastVC = self.mpCheckout!.navigationController.viewControllers[0]
-//        XCTAssertTrue(lastVC.isKind(of: ErrorViewController.self))
+//        XCTAssertNotNil(MercadoPagoCheckoutViewModel.error)
+//        XCTAssertNotNil(MercadoPagoCheckoutViewModel.error!.messageDetail)//,errorMessageExpected)
+
     }
     
     func testCollectCard(){


    override func executeNextStep() {
        // Do nothing
        print("Override!!!")
    }
}

    
    override func setUp() {
        super.setUp()
        self.continueAfterFailure = false
    }
    
    override func tearDown() {
