chore: Update WebView[2]_WithHeaders tests to use httpbin.org

src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/WebView2Tests/WebView2_WithHeaders.xaml

@@ -18,12 +18,12 @@
 		  VerticalAlignment="Stretch">
 		<StackPanel Orientation="Vertical">
 			<TextBlock Text="WebView2_NavigateWithHttpRequestMessage" />
-			<mux:WebView2 Source="http://www.hslkdjghsldkjhlskjdhlsfjbvxcmnbxcmvnbjkhfksjdhf.com/"
+			<mux:WebView2 Source="about:blank"
 						 x:Name="MyWebView2"
 						 Height="100"
 						 Width="100" />
 			<TextBlock x:Name="MyTextBlock" TextWrapping="Wrap" />
-			<Button Content="Navigate to Requestb.in" x:Name="MyButton" />
+			<Button Content="Navigate to httpbin.org" x:Name="MyButton" />
 		</StackPanel>
 	</Grid>
 </UserControl>

src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/WebView2Tests/WebView2_WithHeaders.xaml.cs

@@ -15,12 +15,30 @@ public WebView2_WithHeaders()
 		{
 			InitializeComponent();
 			MyButton.Click += MyButton_OnClick;
+			MyWebView2.NavigationCompleted += async (s, e) =>
+			{
+				if (MyWebView2.Source.Scheme == "about")
+				{
+					MyTextBlock.Text = "Click button to send request with custom headers...";
+				}
+				else
+				{
+					var html = await MyWebView2.CoreWebView2.ExecuteScriptAsync("document.body.outerText");
+					if (html.Contains("\\\"Hello\\\": \\\"TESTTEST, TEST2\\\"") && html.Contains("\\\"Hello2\\\": \\\"TEST111\\\""))
+					{
+						MyTextBlock.Text = "Success! Found both HELLO and HELLO2 headers with their respective values";
+					}
+					else
+					{
+						MyTextBlock.Text = "Failed! Did not find expected HELLO and HELLO2 or they values. See HTML output...";
+					}
+				}
+			};
 		}
 
 		private void MyButton_OnClick(object sender, RoutedEventArgs e)
 		{
-			var url = "http://requestb.in/rw35narw";
-			MyTextBlock.Text = $"Inspect data at {url}?inspect";
+			var url = "https://httpbin.org/headers";
 			var request = new HttpRequestMessage
 			{
 				RequestUri = new Uri(url),

src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/WebView/WebView_WithHeaders.xaml

@@ -17,12 +17,12 @@
 		  VerticalAlignment="Stretch">
 		<StackPanel Orientation="Vertical">
 			<TextBlock Text="WebView_NavigateWithHttpRequestMessage" />
-			<WebView Source="http://www.hslkdjghsldkjhlskjdhlsfjbvxcmnbxcmvnbjkhfksjdhf.com/"
+			<WebView Source="about:blank"
 						 x:Name="MyWebView2"
 						 Height="100"
 						 Width="100" />
 			<TextBlock x:Name="MyTextBlock" TextWrapping="Wrap" />
-			<Button Content="Navigate to Requestb.in" x:Name="MyButton" />
+			<Button Content="Navigate to httpbin.org" x:Name="MyButton" />
 		</StackPanel>
 	</not_win:Grid>
 </UserControl>

src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/WebView/WebView_WithHeaders.xaml.cs

@@ -15,12 +15,30 @@ public WebView_WithHeaders()
 		{
 			InitializeComponent();
 			MyButton.Click += MyButton_OnClick;
+			MyWebView2.NavigationCompleted += async (s, e) =>
+			{
+				if (MyWebView2.Source is null)
+				{
+					MyTextBlock.Text = "Click button to send request with custom headers...";
+				}
+				else
+				{
+					var html = await MyWebView2.CoreWebView2.ExecuteScriptAsync("document.body.outerText");
+					if (html.Contains("\\\"Hello\\\": \\\"TESTTEST, TEST2\\\"") && html.Contains("\\\"Hello2\\\": \\\"TEST111\\\""))
+					{
+						MyTextBlock.Text = "Success! Found both HELLO and HELLO2 headers with their respective values";
+					}
+					else
+					{
+						MyTextBlock.Text = "Failed! Did not find expected HELLO and HELLO2 or they values. See HTML output...";
+					}
+				}
+			};
 		}
 
 		private void MyButton_OnClick(object sender, RoutedEventArgs e)
 		{
-			var url = "http://requestb.in/rw35narw";
-			MyTextBlock.Text = $"Inspect data at {url}?inspect";
+			var url = "https://httpbin.org/headers";
 			var request = new HttpRequestMessage(HttpMethod.Get, new Uri(url));
 			request.Headers.Add("HELLO", "TESTTEST, TEST2");
 			request.Headers.Add("HELLO2", "TEST111");