diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox001.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox001.cs
index 7ae7877f1c0a5e..f049944cbe109a 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox001.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox001.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox002.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox002.cs
index e68bf719a243ef..31e778441e1fce 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox002.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox002.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox003.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox003.cs
index d8ad357fba2fb6..26c8a7faeb6494 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox003.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox003.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox004.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox004.cs
index 8f4380e2ecb841..d263c23579d330 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox004.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox004.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox005.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox005.cs
index 7ad21e670f8b52..ef630d4c11c14a 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox005.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox005.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox006.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox006.cs
index 065cace35db12d..15db183b94117d 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox006.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox006.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{