Changed SuppressionFixAllProvider to bail out in the case of a local...

Changed SuppressionFixAllProvider to bail out in the case of a local suppression (support to be added later).

src/Features/Core/Portable/CodeFixes/Suppression/AbstractSuppressionCodeFixProvider.FixAllProvider.cs

@@ -18,6 +18,12 @@ private SuppressionFixAllProvider()
 
             public async override Task<CodeAction> GetFixAsync(FixAllContext fixAllContext)
             {
+                // currently there's no FixAll support for local suppression, just bail out
+                if (NestedSuppressionCodeAction.IsEquivalenceKeyForLocalSuppression(fixAllContext.CodeActionEquivalenceKey))
+                {
+                    return null;
+                }
+
                 var batchFixer = WellKnownFixAllProviders.BatchFixer;
                 var suppressionFixer = (AbstractSuppressionCodeFixProvider)((WrapperCodeFixProvider)fixAllContext.CodeFixProvider).SuppressionFixProvider;
                 var isGlobalSuppression = NestedSuppressionCodeAction.IsEquivalenceKeyForGlobalSuppression(fixAllContext.CodeActionEquivalenceKey);

src/Features/Core/Portable/CodeFixes/Suppression/NestedSuppressionCodeAction.cs

@@ -26,5 +26,7 @@ protected NestedSuppressionCodeAction(string title)
             equivalenceKey.StartsWith(FeaturesResources.in_Source);
         public static bool IsEquivalenceKeyForRemoveSuppression(string equivalenceKey) =>
             equivalenceKey.StartsWith(FeaturesResources.Remove_Suppression);
+        public static bool IsEquivalenceKeyForLocalSuppression(string equivalenceKey) =>
+            equivalenceKey.StartsWith(FeaturesResources.in_Source_attribute);
     }
 }