Referenced Microsoft.NET.Test.Sdk for unit tests to run in Visual Studio.
diff --git a/test/nms-openwire-test.csproj b/test/nms-openwire-test.csproj
index 6dde000..4560f23 100644
--- a/test/nms-openwire-test.csproj
+++ b/test/nms-openwire-test.csproj
@@ -30,6 +30,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.13.0" />
     <PackageReference Include="System.Data.SqlClient" Version="4.6.1" />