diff --git a/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodTests.cs b/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodTests.cs
index 315b1e5f..fcaddb5c 100644
--- a/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodTests.cs
+++ b/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodTests.cs
@@ -41,6 +41,14 @@ public void Test()
 
     public override async Task ReportsDiagnostics_WhenSettingValueForLiteral(string method, string literal, string type)
     {
+        if (method.Contains("Async"))
+        {
+            // ThrowsAsync like methods do not extend literals
+            // TODO replace with Assert.Skip once xUnit v3 released
+            // https://github.com/xunit/xunit/issues/2073
+            return;
+        }
+
         var source = $@"using System;
 using NSubstitute;
 using NSubstitute.ExceptionExtensions;
diff --git a/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodWithGenericTypeSpecifiedTests.cs b/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodWithGenericTypeSpecifiedTests.cs
index 018b8112..57d3850f 100644
--- a/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodWithGenericTypeSpecifiedTests.cs
+++ b/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodWithGenericTypeSpecifiedTests.cs
@@ -41,6 +41,14 @@ public void Test()
 
     public override async Task ReportsDiagnostics_WhenSettingValueForLiteral(string method, string literal, string type)
     {
+        if (method.Contains("Async"))
+        {
+            // ThrowsAsync like methods do not extend literals
+            // TODO replace with Assert.Skip once xUnit v3 released
+            // https://github.com/xunit/xunit/issues/2073
+            return;
+        }
+
         var source = $@"using System;
 using NSubstitute;
 using NSubstitute.ExceptionExtensions;
diff --git a/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodTests.cs b/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodTests.cs
index 54b9a02f..8d708596 100644
--- a/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodTests.cs
+++ b/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodTests.cs
@@ -46,6 +46,14 @@ public void Test()
 
     public override async Task ReportsDiagnostics_WhenSettingValueForLiteral(string method, string literal, string type)
     {
+        if (method.Contains("Async"))
+        {
+            // ThrowsAsync like methods do not extend literals
+            // TODO replace with Assert.Skip once xUnit v3 released
+            // https://github.com/xunit/xunit/issues/2073
+            return;
+        }
+
         var source = $@"using System;
 using NSubstitute;
 using NSubstitute.ExceptionExtensions;
diff --git a/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodWithGenericTypeSpecifiedTests.cs b/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodWithGenericTypeSpecifiedTests.cs
index 9e274f86..459c27b0 100644
--- a/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodWithGenericTypeSpecifiedTests.cs
+++ b/tests/NSubstitute.Analyzers.Tests.CSharp/DiagnosticAnalyzerTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodWithGenericTypeSpecifiedTests.cs
@@ -45,6 +45,14 @@ public void Test()
 
     public override async Task ReportsDiagnostics_WhenSettingValueForLiteral(string method, string literal, string type)
     {
+        if (method.Contains("Async"))
+        {
+            // ThrowsAsync like methods do not extend literals
+            // TODO replace with Assert.Skip once xUnit v3 released
+            // https://github.com/xunit/xunit/issues/2073
+            return;
+        }
+
         var source = $@"using System;
 using NSubstitute;
 using NSubstitute.ExceptionExtensions;
diff --git a/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodTests.cs b/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodTests.cs
index 2e0c3f8d..eb6ae576 100644
--- a/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodTests.cs
+++ b/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsExtensionMethodTests.cs
@@ -4,6 +4,7 @@
 using NSubstitute.Analyzers.Shared.Settings;
 using NSubstitute.Analyzers.Tests.Shared.Extensibility;
 using NSubstitute.Analyzers.Tests.Shared.Extensions;
+using Xunit;
 
 namespace NSubstitute.Analyzers.Tests.VisualBasic.DiagnosticAnalyzersTests.NonSubstitutableMemberAnalyzerTests;
 
@@ -39,6 +40,14 @@ End Namespace
 
     public override async Task ReportsDiagnostics_WhenSettingValueForLiteral(string method, string literal, string type)
     {
+        if (method.Contains("Async"))
+        {
+            // ThrowsAsync like methods do not extend literals
+            // TODO replace with Assert.Skip once xUnit v3 released
+            // https://github.com/xunit/xunit/issues/2073
+            return;
+        }
+
         var source = $@"Imports System
 Imports NSubstitute
 Imports NSubstitute.ExceptionExtensions
diff --git a/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodTests.cs b/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodTests.cs
index c3ec97d3..8b37df7c 100644
--- a/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodTests.cs
+++ b/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodTests.cs
@@ -44,6 +44,14 @@ End Namespace
 
     public override async Task ReportsDiagnostics_WhenSettingValueForLiteral(string method, string literal, string type)
     {
+        if (method.Contains("Async"))
+        {
+            // ThrowsAsync like methods do not extend literals
+            // TODO replace with Assert.Skip once xUnit v3 released
+            // https://github.com/xunit/xunit/issues/2073
+            return;
+        }
+
         var source = $@"Imports System
 Imports NSubstitute
 Imports NSubstitute.ExceptionExtensions
diff --git a/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodWithGenericTypeSpecifiedTests.cs b/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodWithGenericTypeSpecifiedTests.cs
index f4f86020..9b8a82a8 100644
--- a/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodWithGenericTypeSpecifiedTests.cs
+++ b/tests/NSubstitute.Analyzers.Tests.VisualBasic/DiagnosticAnalyzersTests/NonSubstitutableMemberAnalyzerTests/ThrowsAsOrdinaryMethodWithGenericTypeSpecifiedTests.cs
@@ -43,6 +43,14 @@ End Namespace
 
     public override async Task ReportsDiagnostics_WhenSettingValueForLiteral(string method, string literal, string type)
     {
+        if (method.Contains("Async"))
+        {
+            // ThrowsAsync like methods do not extend literals
+            // TODO replace with Assert.Skip once xUnit v3 released
+            // https://github.com/xunit/xunit/issues/2073
+            return;
+        }
+
         var source = $@"Imports System
 Imports NSubstitute
 Imports NSubstitute.ExceptionExtensions