diff --git a/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTest.cs b/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTest.cs
index ae6eb18969..839f7da92b 100644
--- a/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTest.cs
+++ b/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTest.cs
@@ -259,6 +259,22 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             Assert.FileCountEquals(result, 0, Path.Combine(PublishOutputPath, "refs"), "*.dll");
         }
 
+        [Fact]
+        [InitializeTestProject("SimpleMvc")]
+        public async Task Build_WithPreserveCompilationReferencesEnabled_ProducesRefsDirectory()
+        {
+            // This simulates the behavior of 3.0 with RuntimeCompilation enabled
+            AddProjectFileContent(@"
+            <PropertyGroup>
+                <PreserveCompilationReferences>true</PreserveCompilationReferences>
+            </PropertyGroup>");
+
+            var result = await DotnetMSBuild("Build");
+
+            // Verify no refs folder is produced
+            Assert.FileExists(result, OutputPath, "refs", "mscorlib.dll");
+        }
+
         [Fact]
         [InitializeTestProject("ClassLibrary")]
         public async Task Build_CodeGensAssemblyInfoUsingValuesFromProject()
diff --git a/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTest22NetFx.cs b/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTest22NetFx.cs
index 1afad21f83..0e95335b42 100644
--- a/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTest22NetFx.cs
+++ b/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTest22NetFx.cs
@@ -1,6 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System;
 using System.IO;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Testing.xunit;
@@ -8,33 +9,69 @@ using Xunit;
 
 namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
 {
-    [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
-    public class BuildIntegrationTest22NetFx : BuildIntegrationTestLegacy
+    public class BuildIntegrationTest22NetFx :
+        MSBuildIntegrationTestBase,
+        IClassFixture<LegacyBuildServerTestFixture>
     {
+        private const string TestProjectName = "SimpleMvc22NetFx";
+
         public BuildIntegrationTest22NetFx(LegacyBuildServerTestFixture buildServer)
             : base(buildServer)
         {
         }
 
-        public override string TestProjectName => "SimpleMvc22NetFx";
-        public override string TargetFramework => "net461";
-        public override string OutputFileName => $"{TestProjectName}.exe";
+        public string OutputFileName => $"{TestProjectName}.exe";
 
-        [Fact]
-        public override async Task BuildingProject_CopyToOutputDirectoryFiles()
+        [ConditionalFact]
+        [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
+        [InitializeTestProject(TestProjectName)]
+        public async Task BuildingProject_CopyToOutputDirectoryFiles()
         {
-            using (CreateTestProject())
-            {
-                // Build
-                var result = await DotnetMSBuild("Build");
+            TargetFramework = "net461";
 
-                Assert.BuildPassed(result);
-                // No cshtml files should be in the build output directory
-                Assert.FileCountEquals(result, 0, Path.Combine(OutputPath, "Views"), "*.cshtml");
+            // Build
+            var result = await DotnetMSBuild("Build");
 
-                // refs are required for runtime compilation in desktop targeting projects.
-                Assert.FileCountEquals(result, 97, Path.Combine(OutputPath, "refs"), "*.dll");
-            }
+            Assert.BuildPassed(result);
+            // No cshtml files should be in the build output directory
+            Assert.FileCountEquals(result, 0, Path.Combine(OutputPath, "Views"), "*.cshtml");
+
+            // refs are required for runtime compilation in desktop targeting projects.
+            Assert.FileCountEquals(result, 97, Path.Combine(OutputPath, "refs"), "*.dll");
+        }
+
+        [ConditionalFact]
+        [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
+        [InitializeTestProject(TestProjectName)]
+        public async Task PublishingProject_CopyToOutputDirectoryFiles()
+        {
+            TargetFramework = "net461";
+
+            // Build
+            var result = await DotnetMSBuild("Publish");
+
+            Assert.BuildPassed(result);
+            // No cshtml files should be in the build output directory
+            Assert.FileCountEquals(result, 0, Path.Combine(PublishOutputPath, "Views"), "*.cshtml");
+
+            // refs shouldn't be produced by default
+            Assert.FileCountEquals(result, 0, Path.Combine(PublishOutputPath, "refs"), "*.dll");
+        }
+
+        [ConditionalFact]
+        [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX)]
+        [InitializeTestProject(TestProjectName)]
+        public async Task PublishingProject_CopyToOutputDirectoryFiles_WithCopyRefAssembliesToPublishDirectory()
+        {
+            TargetFramework = "net461";
+
+            // Build
+            var result = await DotnetMSBuild("Publish", "/p:CopyRefAssembliesToPublishDirectory=true");
+
+            Assert.BuildPassed(result);
+
+            // refs should be present if CopyRefAssembliesToPublishDirectory is set. 
+            Assert.FileExists(result, PublishOutputPath, "refs", "System.Threading.Tasks.Extensions.dll");
         }
     }
 }
diff --git a/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTestLegacy.cs b/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTestLegacy.cs
index 51b65c384e..2c8cf9e865 100644
--- a/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTestLegacy.cs
+++ b/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/BuildIntegrationTestLegacy.cs
@@ -4,7 +4,6 @@
 using System;
 using System.IO;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Testing.xunit;
 using Xunit;
 
 namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
@@ -30,7 +29,7 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             return new Disposable();
         }
 
-        [ConditionalFact]
+        [Fact]
         public virtual async Task Building_Project()
         {
             using (CreateTestProject())
@@ -55,7 +54,7 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             }
         }
 
-        [ConditionalFact]
+        [Fact]
         public virtual async Task BuildingProject_CopyToOutputDirectoryFiles()
         {
             using (CreateTestProject())
@@ -72,7 +71,7 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             }
         }
 
-        [ConditionalFact]
+        [Fact]
         public virtual async Task Publish_Project()
         {
             using (CreateTestProject())
@@ -92,7 +91,7 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             }
         }
 
-        [ConditionalFact]
+        [Fact]
         public virtual async Task Publish_NoopsWithMvcRazorCompileOnPublish_False()
         {
             using (CreateTestProject())
@@ -109,7 +108,7 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             }
         }
 
-        [ConditionalFact] // This will use the old precompilation tool, RazorSDK shouldn't get involved.
+        [Fact] // This will use the old precompilation tool, RazorSDK shouldn't get involved.
         public virtual async Task Build_WithMvcRazorCompileOnPublish_Noops()
         {
             using (CreateTestProject())
@@ -125,7 +124,7 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             }
         }
 
-        [ConditionalFact]
+        [Fact]
         public virtual async Task Build_DoesNotAddRelatedAssemblyPart_IfToolSetIsNotRazorSdk()
         {
             using (CreateTestProject())
@@ -140,7 +139,7 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             }
         }
 
-        [ConditionalFact]
+        [Fact]
         public virtual async Task Build_DoesNotPrintsWarnings_IfProjectFileContainsRazorFiles()
         {
             using (CreateTestProject())
@@ -153,7 +152,7 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             }
         }
 
-        [ConditionalFact]
+        [Fact]
         public virtual async Task Publish_IncludesRefAssemblies_WhenCopyRefAssembliesToPublishDirectoryIsSet()
         {
             using (CreateTestProject())
diff --git a/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/PublishIntegrationTest.cs b/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/PublishIntegrationTest.cs
index 7befbf9f6c..cf5387538e 100644
--- a/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/PublishIntegrationTest.cs
+++ b/src/Razor/Microsoft.NET.Sdk.Razor/test/IntegrationTests/PublishIntegrationTest.cs
@@ -248,6 +248,29 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             Assert.FileCountEquals(result, 8, Path.Combine(PublishOutputPath, "Views"), "*.cshtml");
         }
 
+        [Fact]
+        [InitializeTestProject("SimpleMvc")]
+        public async Task Publish_WithPreserveCompilationReferencesSetInProjectFile_CopiesRefs()
+        {
+            // This simulates the behavior of 3.0 with RuntimeCompilation enabled
+            AddProjectFileContent(@"
+            <PropertyGroup>
+                <PreserveCompilationReferences>true</PreserveCompilationReferences>
+            </PropertyGroup>");
+
+            var result = await DotnetMSBuild("Publish");
+
+            Assert.BuildPassed(result);
+
+            Assert.FileExists(result, PublishOutputPath, "SimpleMvc.dll");
+            Assert.FileExists(result, PublishOutputPath, "SimpleMvc.pdb");
+            Assert.FileExists(result, PublishOutputPath, "SimpleMvc.Views.dll");
+            Assert.FileExists(result, PublishOutputPath, "SimpleMvc.Views.pdb");
+
+            // By default refs and .cshtml files will not be copied on publish
+            Assert.FileExists(result, PublishOutputPath, "refs", "mscorlib.dll");
+        }
+
         [Fact] // Tests old MvcPrecompilation behavior that we support for compat.
         [InitializeTestProject("SimpleMvc")]
         public async Task Publish_MvcRazorExcludeFilesFromPublish_False_CopiesFiles()