diff --git a/test/csharp/test_Binders.cs b/test/csharp/test_Binders.cs
index 6f5a8f7d1..91dc76d25 100644
--- a/test/csharp/test_Binders.cs
+++ b/test/csharp/test_Binders.cs
@@ -4,6 +4,7 @@ using System.Management.Automation.Language;
 
 namespace PSTests
 {
+    [Collection("AssemblyLoadContext")]
     public static class PSEnumerableBinderTests
     {
         [Fact]
diff --git a/test/csharp/test_CorePsExtensions.cs b/test/csharp/test_CorePsExtensions.cs
index 2a736d7f9..97d2ee50f 100644
--- a/test/csharp/test_CorePsExtensions.cs
+++ b/test/csharp/test_CorePsExtensions.cs
@@ -4,6 +4,7 @@ using System.Management.Automation;
 
 namespace PSTests
 {
+    [Collection("AssemblyLoadContext")]
     public static class CorePsExtensionsTests
     {
         [Fact]
diff --git a/test/csharp/test_CorePsPlatform.cs b/test/csharp/test_CorePsPlatform.cs
index 7196862eb..e36f5aa4f 100644
--- a/test/csharp/test_CorePsPlatform.cs
+++ b/test/csharp/test_CorePsPlatform.cs
@@ -6,6 +6,7 @@ using System.Management.Automation;
 
 namespace PSTests
 {
+    [Collection("AssemblyLoadContext")]
     public static class PlatformTests
     {
         [Fact]
diff --git a/test/csharp/test_ExtensionMethods.cs b/test/csharp/test_ExtensionMethods.cs
index e22de8be5..134f94b28 100644
--- a/test/csharp/test_ExtensionMethods.cs
+++ b/test/csharp/test_ExtensionMethods.cs
@@ -4,6 +4,7 @@ using System.Management.Automation;
 
 namespace PSTests
 {
+    [Collection("AssemblyLoadContext")]
     public static class PSTypeExtensionsTests
     {
         [Fact]
diff --git a/test/csharp/test_FileSystemProvider.cs b/test/csharp/test_FileSystemProvider.cs
index 2bdcacbfc..7c33910d8 100644
--- a/test/csharp/test_FileSystemProvider.cs
+++ b/test/csharp/test_FileSystemProvider.cs
@@ -5,6 +5,7 @@ using Microsoft.PowerShell.Commands;
 
 namespace PSTests
 {
+    [Collection("AssemblyLoadContext")]
     public static class FileSystemProviderTests
     {
         [Fact]
diff --git a/test/csharp/test_MshSnapinInfo.cs b/test/csharp/test_MshSnapinInfo.cs
index a283e7995..8a14afb89 100644
--- a/test/csharp/test_MshSnapinInfo.cs
+++ b/test/csharp/test_MshSnapinInfo.cs
@@ -5,6 +5,7 @@ using System.Management.Automation;
 namespace PSTests
 {
     // Not static because a test requires non-const variables
+    [Collection("AssemblyLoadContext")]
     public class MshSnapinInfoTests
     {
         // Test that it does not throw an exception
diff --git a/test/csharp/test_PSVersionInfo.cs b/test/csharp/test_PSVersionInfo.cs
index ef980475e..5bd7acb82 100644
--- a/test/csharp/test_PSVersionInfo.cs
+++ b/test/csharp/test_PSVersionInfo.cs
@@ -4,6 +4,7 @@ using System.Management.Automation;
 
 namespace PSTests
 {
+    [Collection("AssemblyLoadContext")]
     public static class PSVersionInfoTests
     {
         [Fact]
diff --git a/test/csharp/test_SecuritySupport.cs b/test/csharp/test_SecuritySupport.cs
index 962dc6670..33c336308 100644
--- a/test/csharp/test_SecuritySupport.cs
+++ b/test/csharp/test_SecuritySupport.cs
@@ -4,6 +4,7 @@ using System.Management.Automation;
 
 namespace PSTests
 {
+    [Collection("AssemblyLoadContext")]
     public static class SecuritySupportTests
     {
         [Fact]
diff --git a/test/csharp/test_Utils.cs b/test/csharp/test_Utils.cs
index eb5167780..65ded34f6 100644
--- a/test/csharp/test_Utils.cs
+++ b/test/csharp/test_Utils.cs
@@ -4,6 +4,7 @@ using System.Management.Automation;
 
 namespace PSTests
 {
+    [Collection("AssemblyLoadContext")]
     public static class UtilsTests
     {
         [Fact]