Add automation text for the PreviewPane we show in Lightbulbs

src/VisualStudio/Core/Def/Implementation/PreviewPane/PreviewPane.xaml

@@ -8,7 +8,9 @@
              x:ClassModifier="internal" mc:Ignorable="d"
              Focusable="True" IsTabStop="False" TextOptions.TextFormattingMode="Display"
              Foreground="{DynamicResource {x:Static vsui:EnvironmentColors.PanelTextBrushKey}}"
-             d:DesignHeight="300" d:DesignWidth="400">
+             d:DesignHeight="300" d:DesignWidth="400" 
+             x:Name="ThisPane"
+             AutomationProperties.Name="{Binding ElementName=ThisPane, Path=AutomationName}">
     <UserControl.Resources>
         <SolidColorBrush x:Key="Expander.MouseOver.Circle.Stroke" Color="#FF5593FF"/>
         <SolidColorBrush x:Key="Expander.MouseOver.Circle.Fill" Color="#FFF3F9FF"/>
@@ -103,7 +105,8 @@
         <DockPanel Name="PreviewDockPanel" DockPanel.Dock="Top" Visibility="Collapsed">
             <ScrollViewer Name="PreviewScrollViewer" IsTabStop="True"
                           HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto"
-                          Padding="3 1 3 1"/>
+                          Padding="3 1 3 1"
+                          AutomationProperties.Name="{Binding ElementName=ThisPane, Path=AutomationName}"/>
         </DockPanel>
         <Button x:Name="OptionsButton" Content="Change Style Options" Click="OptionsButton_Click" DockPanel.Dock="Bottom"></Button>
     </DockPanel>

src/VisualStudio/Core/Def/Implementation/PreviewPane/PreviewPane.xaml.cs

@@ -83,6 +83,8 @@ internal partial class PreviewPane : UserControl, IDisposable
             InitializePreviewElement(previewContent);
         }
 
+        public string AutomationName => ServicesVSResources.Preview_pane;
+
         private void InitializePreviewElement(IReadOnlyList<object> previewItems)
         {
             var previewElement = CreatePreviewElement(previewItems);

src/VisualStudio/Core/Def/ServicesVSResources.Designer.cs

@@ -1601,6 +1601,15 @@ internal class ServicesVSResources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Preview pane.
+        /// </summary>
+        internal static string Preview_pane {
+            get {
+                return ResourceManager.GetString("Preview_pane", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Preview reference changes.
         /// </summary>

src/VisualStudio/Core/Def/ServicesVSResources.resx

@@ -921,4 +921,7 @@ Additional information: {1}</value>
   <data name="Prefer_simple_default_expression" xml:space="preserve">
     <value>Prefer simple 'default' expression</value>
   </data>
+  <data name="Preview_pane" xml:space="preserve">
+    <value>Preview pane</value>
+  </data>
 </root>
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