Obsolete framework-specific packages

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/Microsoft.CodeAnalysis.Analyzer.Testing.csproj

@@ -46,6 +46,35 @@
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.Testing.Verifiers.XUnit" />
 
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.Analyzer.Testing.UnitTests" />
+
+    <!-- Obsolete packages need access to ObsoleteMessages -->
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.MSTest" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.NUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.XUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.MSTest" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.NUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.XUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing.MSTest" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing.NUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing.XUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.MSTest" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.NUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.XUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.Testing.Verifiers.MSTest.UnitTests" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.Testing.Verifiers.NUnit.UnitTests" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.Testing.Verifiers.XUnit.UnitTests" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.Analyzer.Testing.MSTest" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.Analyzer.Testing.NUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.Analyzer.Testing.XUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.CodeFix.Testing.MSTest" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.CodeFix.Testing.NUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.CodeFix.Testing.XUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.CodeRefactoring.Testing.MSTest" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.CodeRefactoring.Testing.NUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.CodeRefactoring.Testing.XUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.SourceGenerators.Testing.MSTest" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.SourceGenerators.Testing.NUnit" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.VisualBasic.SourceGenerators.Testing.XUnit" />
   </ItemGroup>
 
   <ItemGroup>

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ObsoleteMessages.cs

@@ -0,0 +1,11 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+namespace Microsoft.CodeAnalysis.Testing
+{
+    internal static class ObsoleteMessages
+    {
+        public const string FrameworkPackages = "https://github.com/dotnet/roslyn-sdk/blob/main/src/Microsoft.CodeAnalysis.Testing/README.md#obsolete-packages";
+    }
+}

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.MSTest/AnalyzerVerifier.cs

@@ -2,10 +2,13 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.MSTest
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class AnalyzerVerifier
     {
         public static AnalyzerVerifier<TAnalyzer> Create<TAnalyzer>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.MSTest/AnalyzerVerifier`1.cs

@@ -2,11 +2,14 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.MSTest
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class AnalyzerVerifier<TAnalyzer> : CSharpAnalyzerVerifier<TAnalyzer, MSTestVerifier>
         where TAnalyzer : DiagnosticAnalyzer, new()
     {

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.NUnit/AnalyzerVerifier.cs

@@ -2,10 +2,13 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.NUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class AnalyzerVerifier
     {
         public static AnalyzerVerifier<TAnalyzer> Create<TAnalyzer>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.NUnit/AnalyzerVerifier`1.cs

@@ -2,11 +2,14 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.NUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class AnalyzerVerifier<TAnalyzer> : CSharpAnalyzerVerifier<TAnalyzer, NUnitVerifier>
         where TAnalyzer : DiagnosticAnalyzer, new()
     {

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.XUnit/AnalyzerVerifier.cs

@@ -2,10 +2,13 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.XUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class AnalyzerVerifier
     {
         public static AnalyzerVerifier<TAnalyzer> Create<TAnalyzer>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.XUnit/AnalyzerVerifier`1.cs

@@ -2,11 +2,14 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.XUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class AnalyzerVerifier<TAnalyzer> : CSharpAnalyzerVerifier<TAnalyzer, XUnitVerifier>
         where TAnalyzer : DiagnosticAnalyzer, new()
     {

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.MSTest/CodeFixVerifier.cs

@@ -2,11 +2,14 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeFixes;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.MSTest
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class CodeFixVerifier
     {
         public static CodeFixVerifier<TAnalyzer, TCodeFix> Create<TAnalyzer, TCodeFix>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.MSTest/CodeFixVerifier`2.cs

@@ -2,12 +2,15 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeFixes;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.MSTest
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class CodeFixVerifier<TAnalyzer, TCodeFix> : CSharpCodeFixVerifier<TAnalyzer, TCodeFix, MSTestVerifier>
         where TAnalyzer : DiagnosticAnalyzer, new()
         where TCodeFix : CodeFixProvider, new()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.NUnit/CodeFixVerifier.cs

@@ -2,11 +2,14 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeFixes;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.NUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class CodeFixVerifier
     {
         public static CodeFixVerifier<TAnalyzer, TCodeFix> Create<TAnalyzer, TCodeFix>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.NUnit/CodeFixVerifier`2.cs

@@ -2,12 +2,15 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeFixes;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.NUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class CodeFixVerifier<TAnalyzer, TCodeFix> : CSharpCodeFixVerifier<TAnalyzer, TCodeFix, NUnitVerifier>
         where TAnalyzer : DiagnosticAnalyzer, new()
         where TCodeFix : CodeFixProvider, new()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.XUnit/CodeFixVerifier.cs

@@ -2,11 +2,14 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeFixes;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.XUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class CodeFixVerifier
     {
         public static CodeFixVerifier<TAnalyzer, TCodeFix> Create<TAnalyzer, TCodeFix>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.XUnit/CodeFixVerifier`2.cs

@@ -2,12 +2,15 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeFixes;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.XUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class CodeFixVerifier<TAnalyzer, TCodeFix> : CSharpCodeFixVerifier<TAnalyzer, TCodeFix, XUnitVerifier>
         where TAnalyzer : DiagnosticAnalyzer, new()
         where TCodeFix : CodeFixProvider, new()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing.MSTest/CodeRefactoringVerifier.cs

@@ -2,10 +2,13 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeRefactorings;
+using Microsoft.CodeAnalysis.Testing;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.MSTest
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class CodeRefactoringVerifier
     {
         public static CodeRefactoringVerifier<TCodeRefactoring> Create<TCodeRefactoring>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing.MSTest/CodeRefactoringVerifier`1.cs

@@ -2,11 +2,14 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeRefactorings;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.MSTest
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class CodeRefactoringVerifier<TCodeRefactoring> : CSharpCodeRefactoringVerifier<TCodeRefactoring, MSTestVerifier>
         where TCodeRefactoring : CodeRefactoringProvider, new()
     {

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing.NUnit/CodeRefactoringVerifier.cs

@@ -2,10 +2,13 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeRefactorings;
+using Microsoft.CodeAnalysis.Testing;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.NUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class CodeRefactoringVerifier
     {
         public static CodeRefactoringVerifier<TCodeRefactoring> Create<TCodeRefactoring>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing.NUnit/CodeRefactoringVerifier`1.cs

@@ -2,11 +2,14 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeRefactorings;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.NUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class CodeRefactoringVerifier<TCodeRefactoring> : CSharpCodeRefactoringVerifier<TCodeRefactoring, NUnitVerifier>
         where TCodeRefactoring : CodeRefactoringProvider, new()
     {

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing.XUnit/CodeRefactoringVerifier.cs

@@ -2,10 +2,13 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeRefactorings;
+using Microsoft.CodeAnalysis.Testing;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.XUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class CodeRefactoringVerifier
     {
         public static CodeRefactoringVerifier<TCodeRefactoring> Create<TCodeRefactoring>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing.XUnit/CodeRefactoringVerifier`1.cs

@@ -2,11 +2,14 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using Microsoft.CodeAnalysis.CodeRefactorings;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.XUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class CodeRefactoringVerifier<TCodeRefactoring> : CSharpCodeRefactoringVerifier<TCodeRefactoring, XUnitVerifier>
         where TCodeRefactoring : CodeRefactoringProvider, new()
     {

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.MSTest/SourceGeneratorVerifier.cs

@@ -2,8 +2,12 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
+using Microsoft.CodeAnalysis.Testing;
+
 namespace Microsoft.CodeAnalysis.CSharp.Testing.MSTest
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class SourceGeneratorVerifier
     {
         public static SourceGeneratorVerifier<TSourceGenerator> Create<TSourceGenerator>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.MSTest/SourceGeneratorVerifier`1.cs

@@ -2,10 +2,13 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.MSTest
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class SourceGeneratorVerifier<TSourceGenerator> : CSharpSourceGeneratorVerifier<TSourceGenerator, MSTestVerifier>
         where TSourceGenerator : new()
     {

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.NUnit/SourceGeneratorVerifier.cs

@@ -2,8 +2,12 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
+using Microsoft.CodeAnalysis.Testing;
+
 namespace Microsoft.CodeAnalysis.CSharp.Testing.NUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class SourceGeneratorVerifier
     {
         public static SourceGeneratorVerifier<TSourceGenerator> Create<TSourceGenerator>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.NUnit/SourceGeneratorVerifier`1.cs

@@ -2,10 +2,13 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.NUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class SourceGeneratorVerifier<TSourceGenerator> : CSharpSourceGeneratorVerifier<TSourceGenerator, NUnitVerifier>
         where TSourceGenerator : new()
     {

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.XUnit/SourceGeneratorVerifier.cs

@@ -2,8 +2,12 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
+using Microsoft.CodeAnalysis.Testing;
+
 namespace Microsoft.CodeAnalysis.CSharp.Testing.XUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public static class SourceGeneratorVerifier
     {
         public static SourceGeneratorVerifier<TSourceGenerator> Create<TSourceGenerator>()

src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.XUnit/SourceGeneratorVerifier`1.cs

@@ -2,10 +2,13 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
+using Microsoft.CodeAnalysis.Testing;
 using Microsoft.CodeAnalysis.Testing.Verifiers;
 
 namespace Microsoft.CodeAnalysis.CSharp.Testing.XUnit
 {
+    [Obsolete(ObsoleteMessages.FrameworkPackages)]
     public class SourceGeneratorVerifier<TSourceGenerator> : CSharpSourceGeneratorVerifier<TSourceGenerator, XUnitVerifier>
         where TSourceGenerator : new()
     {