diff --git a/src/SourceBuild/content/repo-projects/dotnet.proj b/src/SourceBuild/content/repo-projects/dotnet.proj
index 23c5d842a99c..ee898bd21a9c 100644
--- a/src/SourceBuild/content/repo-projects/dotnet.proj
+++ b/src/SourceBuild/content/repo-projects/dotnet.proj
@@ -49,6 +49,10 @@
 
     <!-- Package source-build artifacts -->
     <RepositoryReference Include="package-source-build" />
+
+    <!-- Testing. -->
+    <RepositoryReference Include="scenario-tests" />
+
   </ItemGroup>
 
   <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
diff --git a/src/SourceBuild/content/repo-projects/scenario-tests.proj b/src/SourceBuild/content/repo-projects/scenario-tests.proj
new file mode 100644
index 000000000000..a7ea534f6979
--- /dev/null
+++ b/src/SourceBuild/content/repo-projects/scenario-tests.proj
@@ -0,0 +1,15 @@
+<Project>
+  <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
+
+  <PropertyGroup>
+    <BuildCommand>$(StandardSourceBuildCommand) $(StandardSourceBuildArgs)</BuildCommand>
+  </PropertyGroup>
+
+  <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
+
+  <ItemGroup>
+    <RepositoryReference Include="source-build-externals" />
+    <RepositoryReference Include="source-build-reference-packages" />
+    <RepositoryReference Include="arcade" />
+  </ItemGroup>
+</Project>