Add WorkItem attribute to all new tests for issue 77848

Co-authored-by: CyrusNajmabadi <4564579+CyrusNajmabadi@users.noreply.github.com>

Author: Copilot

src/EditorFeatures/CSharpTest/Completion/CompletionProviders/AwaitCompletionProviderTests.cs

@@ -834,7 +834,7 @@ void M()
             await VerifyAbsenceAsync(code);
     }
 
-    [Fact]
+    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/77848")]
     public Task TestEventHandlerMethod_DoesNotChangeVoidToTask()
         => VerifyKeywordAsync("""
             using System;
@@ -855,7 +855,7 @@ private void OnMyEvent(object sender, EventArgs e)
             }
             """);
 
-    [Fact]
+    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/77848")]
     public Task TestEventHandlerMethod_WithDifferentEventType()
         => VerifyKeywordAsync("""
             using System;
@@ -878,7 +878,7 @@ private void HandleMyEvent(object sender, EventArgs e)
             }
             """);
 
-    [Fact]
+    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/77848")]
     public Task TestEventHandlerMethod_InDifferentMethod()
         => VerifyKeywordAsync("""
             using System;
@@ -899,7 +899,7 @@ private void OnMyEvent(object sender, EventArgs e)
             }
             """);
 
-    [Fact]
+    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/77848")]
     public Task TestEventHandlerMethod_WithMinusEquals()
         => VerifyKeywordAsync("""
             using System;
@@ -920,7 +920,7 @@ private void OnMyEvent(object sender, EventArgs e)
             }
             """);
 
-    [Fact]
+    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/77848")]
     public Task TestNonEventHandlerMethod_ChangesVoidToTask()
         => VerifyKeywordAsync("""
             using System;

src/EditorFeatures/Test2/IntelliSense/CSharpCompletionCommandHandlerTests_Await.vb

@@ -1581,7 +1581,7 @@ public class C
             End Using
         End Function
 
-        <WpfFact>
+        <WpfFact, WorkItem("https://github.com/dotnet/roslyn/issues/77848")>
         Public Async Function AwaitCompletionDoesNotChangeReturnType_ForEventHandlerMethod() As Task
             Using state = TestStateFactory.CreateCSharpTestState(
                 <Document><![CDATA[
@@ -1628,7 +1628,7 @@ public class C
             End Using
         End Function
 
-        <WpfFact>
+        <WpfFact, WorkItem("https://github.com/dotnet/roslyn/issues/77848")>
         Public Async Function AwaitCompletionDoesNotChangeReturnType_ForEventHandlerWithMinusEquals() As Task
             Using state = TestStateFactory.CreateCSharpTestState(
                 <Document><![CDATA[
@@ -1675,7 +1675,7 @@ public class C
             End Using
         End Function
 
-        <WpfFact>
+        <WpfFact, WorkItem("https://github.com/dotnet/roslyn/issues/77848")>
         Public Async Function AwaitCompletionChangesVoidToTask_ForNonEventHandlerMethod() As Task
             Using state = TestStateFactory.CreateCSharpTestState(
                 <Document><![CDATA[