public void GivenIAmOnCheckout_Step_OnePageWithItemsAddedOnCart()
 {
     loginPage.GoToPage();
     loginPage.FillLoginForm("performance_glitch_user", "secret_sauce");
     loginPage.ClickLoginButton();
     inventoryPage.ClickAddToCartButton("Sauce Labs Onesie");
     inventoryPage.ClickAddToCartButton("Sauce Labs Bike Light");
     inventoryPage.ClickShoppingCart();
     cartPage.ClickCheckoutButton();
 }
 public void WhenISelectShoppingCartLink()
 {
     inventoryPage.ClickShoppingCart();
 }