Fix test.

src/VisualStudio/Core/Test/Options/CSharpEditorConfigGeneratorTests.vb

@@ -98,9 +98,9 @@ csharp_style_expression_bodied_operators = false:silent
 csharp_style_expression_bodied_properties = true:silent
 
 # Pattern matching preferences
-csharp_style_prefer_switch_expression = true:suggestion
 csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
 csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
+csharp_style_prefer_switch_expression = true:suggestion
 
 # Null-checking preferences
 csharp_style_conditional_delegate_call = true:suggestion
@@ -307,9 +307,9 @@ csharp_style_expression_bodied_operators = false:silent
 csharp_style_expression_bodied_properties = true:silent
 
 # Pattern matching preferences
-csharp_style_prefer_switch_expression = true:suggestion
 csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
 csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
+csharp_style_prefer_switch_expression = true:suggestion
 
 # Null-checking preferences
 csharp_style_conditional_delegate_call = true:suggestion

src/Workspaces/CSharp/Portable/CodeStyle/CSharpCodeStyleOptions.cs

@@ -50,7 +50,7 @@ private static Option<T> CreateOption<T>(OptionGroup group, string name, T defau
             CSharpCodeStyleOptionGroups.PatternMatching, nameof(PreferSwitchExpression),
             defaultValue: CodeStyleOptions.TrueWithSuggestionEnforcement,
             storageLocations: new OptionStorageLocation[] {
-                EditorConfigStorageLocation.ForBoolCodeStyleOption("csharp_prefer_switch_expression"),
+                EditorConfigStorageLocation.ForBoolCodeStyleOption("csharp_style_prefer_switch_expression"),
                 new RoamingProfileStorageLocation($"TextEditor.CSharp.Specific.{nameof(PreferSwitchExpression)}")});
 
         public static readonly Option<CodeStyleOption<bool>> PreferPatternMatchingOverAsWithNullCheck = CreateOption(