diff --git a/Roslyn-SDK.sln b/Roslyn-SDK.sln
index 57c8aa28b..5924613d9 100644
--- a/Roslyn-SDK.sln
+++ b/Roslyn-SDK.sln
@@ -147,6 +147,10 @@ Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "Microsoft.CodeAnalysis.Visu
 EndProject
 Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "Microsoft.CodeAnalysis.VisualBasic.CodeRefactoring.Testing.NUnit.UnitTests", "tests\Microsoft.CodeAnalysis.Testing\Microsoft.CodeAnalysis.VisualBasic.CodeRefactoring.Testing.NUnit.UnitTests\Microsoft.CodeAnalysis.VisualBasic.CodeRefactoring.Testing.NUnit.UnitTests.vbproj", "{023B21F8-09EC-4A67-8AAA-3D110231E7EB}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "VisualStudio.Roslyn.SDK", "VisualStudio.Roslyn.SDK", "{A3AF556C-276C-49BA-A9ED-E7D42FECAA46}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Roslyn.SDK.UnitTests", "tests\VisualStudio.Roslyn.SDK\Roslyn.SDK.UnitTests\Roslyn.SDK.UnitTests.csproj", "{11B1F856-9025-4A4C-B90D-B1237743B672}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -417,6 +421,10 @@ Global
 		{023B21F8-09EC-4A67-8AAA-3D110231E7EB}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{023B21F8-09EC-4A67-8AAA-3D110231E7EB}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{023B21F8-09EC-4A67-8AAA-3D110231E7EB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{11B1F856-9025-4A4C-B90D-B1237743B672}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{11B1F856-9025-4A4C-B90D-B1237743B672}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{11B1F856-9025-4A4C-B90D-B1237743B672}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{11B1F856-9025-4A4C-B90D-B1237743B672}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -492,6 +500,8 @@ Global
 		{19DB3193-B920-4C62-ADC1-5071AE989AA5} = {9905147E-CC1F-42A0-BD27-05586C583DF7}
 		{4617ED77-9564-4A06-8F9B-92E5C5523FE1} = {9905147E-CC1F-42A0-BD27-05586C583DF7}
 		{023B21F8-09EC-4A67-8AAA-3D110231E7EB} = {9905147E-CC1F-42A0-BD27-05586C583DF7}
+		{A3AF556C-276C-49BA-A9ED-E7D42FECAA46} = {8C343846-5F9F-4033-9B52-B44C61962449}
+		{11B1F856-9025-4A4C-B90D-B1237743B672} = {A3AF556C-276C-49BA-A9ED-E7D42FECAA46}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {56695AA9-EA80-47A7-8562-E51285906C54}
diff --git a/src/VisualStudio.Roslyn.SDK/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/Roslyn.SyntaxVisualizer.DgmlHelper.vbproj b/src/VisualStudio.Roslyn.SDK/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/Roslyn.SyntaxVisualizer.DgmlHelper.vbproj
index f2e39cfcf..018edeeff 100644
--- a/src/VisualStudio.Roslyn.SDK/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/Roslyn.SyntaxVisualizer.DgmlHelper.vbproj
+++ b/src/VisualStudio.Roslyn.SDK/SyntaxVisualizer/Roslyn.SyntaxVisualizer.DgmlHelper/Roslyn.SyntaxVisualizer.DgmlHelper.vbproj
@@ -4,6 +4,10 @@
     <IsProductComponent>false</IsProductComponent>
   </PropertyGroup>
 
+  <ItemGroup>
+    <InternalsVisibleTo Include="Roslyn.SDK.UnitTests" />
+  </ItemGroup>
+
   <!-- Package References -->
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="$(MicrosoftCodeAnalysisAnalyzersVersionVS2019)" />
diff --git a/tests/VisualStudio.Roslyn.SDK/Directory.Build.props b/tests/VisualStudio.Roslyn.SDK/Directory.Build.props
new file mode 100644
index 000000000..1c24a1d7c
--- /dev/null
+++ b/tests/VisualStudio.Roslyn.SDK/Directory.Build.props
@@ -0,0 +1,48 @@
+<!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the LICENSE file in the project root for more information. -->
+<Project>  
+  <PropertyGroup>
+    <NoWarn>$(NoWarn);NU5125;NU3005</NoWarn>
+
+    <!-- Opt-out repo features -->
+    <UsingToolXliff>false</UsingToolXliff>
+  </PropertyGroup>
+
+  <Import Project="Sdk.props" Sdk="Microsoft.DotNet.Arcade.Sdk" />
+
+  <PropertyGroup>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType>
+  </PropertyGroup>
+
+  <Choose>
+    <When Condition="'$(Language)' == 'VB'">
+      <PropertyGroup>
+        <LangVersion>15.5</LangVersion>
+      </PropertyGroup>
+    </When>
+
+    <When Condition="'$(Language)' == 'C#'">
+      <PropertyGroup>
+        <LangVersion>8</LangVersion>
+      </PropertyGroup>
+
+      <!-- Nullable reference types -->
+      <PropertyGroup>
+        <Nullable>enable</Nullable>
+      </PropertyGroup>
+    </When>
+  </Choose>
+
+  <!-- StyleCop Analyzers configuration -->
+  <PropertyGroup>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <CodeAnalysisRuleSet>$(MSBuildThisFileDirectory)..\..\RoslynSDK.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  
+  <ItemGroup>
+    <PackageReference Include="StyleCop.Analyzers" Version="$(StyleCopAnalyzersVersion)" PrivateAssets="all" />
+    <AdditionalFiles Include="$(MSBuildThisFileDirectory)..\..\stylecop.json" Link="stylecop.json" />
+    <None Include="$(CodeAnalysisRuleSet)" Condition="'$(CodeAnalysisRuleSet)' != ''" Link="%(Filename)%(Extension)" />
+  </ItemGroup>
+
+</Project>
diff --git a/tests/VisualStudio.Roslyn.SDK/Directory.Build.targets b/tests/VisualStudio.Roslyn.SDK/Directory.Build.targets
new file mode 100644
index 000000000..5ddf69387
--- /dev/null
+++ b/tests/VisualStudio.Roslyn.SDK/Directory.Build.targets
@@ -0,0 +1,8 @@
+<!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the LICENSE file in the project root for more information. -->
+<Project>
+  <ItemGroup Condition="'$(UsingToolXUnit)' == 'true' and '$(IsUnitTestProject)' == 'true'">
+    <PackageReference Include="Xunit.Combinatorial" Version="$(XunitCombinatorialVersion)" />
+  </ItemGroup>
+
+  <Import Project="Sdk.targets" Sdk="Microsoft.DotNet.Arcade.Sdk" />
+</Project>
diff --git a/tests/VisualStudio.Roslyn.SDK/Roslyn.SDK.UnitTests/ResourceLocationTests.cs b/tests/VisualStudio.Roslyn.SDK/Roslyn.SDK.UnitTests/ResourceLocationTests.cs
new file mode 100644
index 000000000..76693bd7f
--- /dev/null
+++ b/tests/VisualStudio.Roslyn.SDK/Roslyn.SDK.UnitTests/ResourceLocationTests.cs
@@ -0,0 +1,18 @@
+// 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.
+
+using Xunit;
+
+namespace Microsoft.CodeAnalysis.Testing
+{
+    public class ResourceLocationTests
+    {
+        [Fact]
+        [WorkItem(327, "https://github.com/dotnet/roslyn-sdk/issues/327")]
+        public void TestDgmlHelperResources()
+        {
+            Assert.NotNull(Roslyn.SyntaxVisualizer.DgmlHelper.My.Resources.Resources.SyntaxNodeLabel);
+        }
+    }
+}
diff --git a/tests/VisualStudio.Roslyn.SDK/Roslyn.SDK.UnitTests/Roslyn.SDK.UnitTests.csproj b/tests/VisualStudio.Roslyn.SDK/Roslyn.SDK.UnitTests/Roslyn.SDK.UnitTests.csproj
new file mode 100644
index 000000000..c9df85d6e
--- /dev/null
+++ b/tests/VisualStudio.Roslyn.SDK/Roslyn.SDK.UnitTests/Roslyn.SDK.UnitTests.csproj
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net472</TargetFramework>
+    <RootNamespace>Microsoft.CodeAnalysis.Testing</RootNamespace>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\Microsoft.CodeAnalysis.Testing\Microsoft.CodeAnalysis.Testing.Utilities\WorkItemAttribute.cs" Link="WorkItemAttribute.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\src\VisualStudio.Roslyn.SDK\Roslyn.SDK\Roslyn.SDK.csproj" />
+  </ItemGroup>
+</Project>