Disable time-dependent screenshots

src/SamplesApp/UITests.Shared/Windows_UI_Xaml/UIElementTests/TransformToVisual_ScrollViewer.xaml.cs

@@ -9,7 +9,7 @@ using Uno.UI.Samples.Controls;
 
 namespace UITests.Shared.Windows_UI_Xaml.UIElementTests
 {
-	[SampleControlInfo("UIElement")]
+	[SampleControlInfo("UIElement", ignoreInSnapshotTests: true)]
 	public sealed partial class TransformToVisual_ScrollViewer : Page
 	{
 		private readonly TestRunner _tests;

src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/ListView/ListView_CacheLength_Slow_Load.xaml.cs

@@ -4,7 +4,7 @@ using Windows.UI.Xaml.Controls;
 
 namespace SamplesApp.Windows_UI_Xaml_Controls.ListView
 {
-	[SampleControlInfo("ListView", "ListView_CacheLength_Slow_Load", description: "ListView with slow-loading images, illustrating caching behaviour.")]
+	[SampleControlInfo("ListView", "ListView_CacheLength_Slow_Load", ignoreInSnapshotTests: true, description: "ListView with slow-loading images, illustrating caching behaviour.")]
 	public sealed partial class ListView_CacheLength_Slow_Load : UserControl
 	{
 		public ListView_CacheLength_Slow_Load()

src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/Progress/ProgressRing.xaml.cs

@@ -21,7 +21,7 @@ namespace SamplesApp.Samples.Progress
 	/// <summary>
 	/// An empty page that can be used on its own or navigated to within a Frame.
 	/// </summary>
-	[SampleControlInfo("Progress", "ProgressRing")]
+	[SampleControlInfo("Progress", "ProgressRing", ignoreInSnapshotTests: true)]
 	public sealed partial class ProgressRing : Page
 	{
 		public ProgressRing()

src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Media/Transform/Transformed_Ancestor_And_UI_Blocked.xaml.cs

@@ -21,7 +21,7 @@ using Windows.UI.Xaml.Navigation;
 
 namespace UITests.Shared.Windows_UI_Xaml_Media.Transform
 {
-	[SampleControlInfo("Transform", "Transformed_Ancestor_And_UI_Blocked", description: "Animation in transformed hierarchy, under simulated heavy UI load. Animation should remain smooth on Android 8+ devices.")]
+	[SampleControlInfo("Transform", "Transformed_Ancestor_And_UI_Blocked", ignoreInSnapshotTests: true, description: "Animation in transformed hierarchy, under simulated heavy UI load. Animation should remain smooth on Android 8+ devices.")]
 	public sealed partial class Transformed_Ancestor_And_UI_Blocked : UserControl
 	{
 		private bool _isLoaded;