Update BrowsingContextTest.FragmentNavigatedEvent.cs

Author: nvborisenko

examples/dotnet/SeleniumDocs/BiDi/BrowsingContext/BrowsingContextTest.FragmentNavigatedEvent.cs

@@ -2,7 +2,6 @@
 using OpenQA.Selenium.BiDi;
 using OpenQA.Selenium.BiDi.Modules.BrowsingContext;
 using System;
-using System.Threading;
 using System.Threading.Tasks;
 
 namespace SeleniumDocs.BiDi.BrowsingContext;
@@ -14,6 +13,8 @@ public async Task FragmentNavigatedEvent()
     {
         var browsingContext = await driver.AsBidirectionalContextAsync();
 
+        await browsingContext.NavigateAsync("https://www.selenium.dev/selenium/web/linked_image.html", new() { Wait = ReadinessState.Complete });
+
         TaskCompletionSource<NavigationInfo> tcs = new();
 
         await browsingContext.OnFragmentNavigatedAsync(tcs.SetResult);