modified flaky test cases

Author: TamilarasanSF4853

src/Controls/tests/TestCases.Android.Tests/snapshots/android/WebViewShouldNotMirrored.png

@@ -1,6 +1,6 @@
 namespace Maui.Controls.Sample.Issues;
 
-[Issue(IssueTracker.Github, 30575, "FlowDirection RightToLeft causes mirrored content in WebView", PlatformAffected.UWP)]
+[Issue(IssueTracker.Github, 30575, "FlowDirection RightToLeft causes mirrored content in WebView", PlatformAffected.UWP, isInternetRequired: true)]
 public class Issue30575 : ContentPage
 {
 	public Issue30575()
@@ -15,7 +15,7 @@ public Issue30575()
 
 		webView.Source = new UrlWebViewSource
 		{
-			Url = "https://github.com/dotnet/maui/issues/30575"
+			Url = "https://example.com/"
 		};
 
 		Label label = new Label

src/Controls/tests/TestCases.HostApp/Issues/Issue30575.cs

@@ -74,7 +74,7 @@ public void HeaderFooterHorizontalViewWorks()
 			// Scroll right to ensure the footer is visible and positioned at the end
 			for (int i = 0; i < 5; i++)
 			{
-				App.ScrollRight("CV", ScrollStrategy.Auto, 0.9, 250);
+				App.ScrollRight("CV", ScrollStrategy.Gesture, 0.9, 250);
 			}
 
 			// Verify the footer is visible

src/Controls/tests/TestCases.Shared.Tests/Tests/CollectionView/CollectionViewUITests.HeaderAndFooter.cs

@@ -14,6 +14,7 @@ public Issue30575(TestDevice device) : base(device) { }
 	[Category(UITestCategories.WebView)]
 	public void WebViewShouldNotMirrored()
 	{
+		VerifyInternetConnectivity();
 		App.WaitForElement("WebViewLabel");
 		Thread.Sleep(3000);
 		VerifyScreenshot();