ItemPageNavigationBehaviour.cs

[Binding]
public class ItemPageNavigationBehaviour : ActionBehaviour
{
    private readonly ItemPage itemPage;
    private string itemUrl;

    public ItemPageNavigationBehaviour()
    {
        this.itemPage = UnityContainerFactory.GetContainer().Resolve<ItemPage>();
    }

    [When(@"I navigate to ""([^""]*)""")]
    public void NavigateToItemUrl(string itemUrl)
    {
        this.itemUrl = itemUrl;
        base.Execute();
    }
        
    protected override void PerformAct()
    {
        this.itemPage.Navigate(this.itemUrl);
    }
}