Added tests for `out` and `ref` completion in local function

Tests in response to issue #22253

src/EditorFeatures/CSharpTest2/Recommendations/OutKeywordRecommenderTests.cs

@@ -405,5 +405,13 @@ public async Task TestInCrefParameterList()
 
             await VerifyKeywordAsync(text);
         }
+
+        [WorkItem(22253, "https://github.com/dotnet/roslyn/issues/22253")]
+        [Fact, Trait(Traits.Feature, Traits.Features.KeywordRecommending)]
+        public async Task TestInLocalFunction()
+        {
+            await VerifyKeywordAsync(AddInsideMethod(
+@"void F(int x, $$"));
+        }
     }
 }

src/EditorFeatures/CSharpTest2/Recommendations/RefKeywordRecommenderTests.cs

@@ -822,6 +822,15 @@ public async Task TestInConditionalExpressionFalseBranch()
             await VerifyKeywordWithRefsAsync(AddInsideMethod(@"
 int x = 0;
 ref int y = ref true ? ref x : $$"));
+	}
+
+        [WorkItem(22253, "https://github.com/dotnet/roslyn/issues/22253")]
+        [Fact, Trait(Traits.Feature, Traits.Features.KeywordRecommending)]
+        public async Task TestInLocalMethod()
+        {
+            await VerifyKeywordWithRefsAsync(AddInsideMethod(
+@" void Goo(int test, $$) "));
+
         }
     }
 }