Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/Deltares.DamEngine.Calculators.Tests.csproj
===================================================================
diff -u -r3882 -r3883
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/Deltares.DamEngine.Calculators.Tests.csproj	(.../Deltares.DamEngine.Calculators.Tests.csproj)	(revision 3882)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/Deltares.DamEngine.Calculators.Tests.csproj	(.../Deltares.DamEngine.Calculators.Tests.csproj)	(revision 3883)
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\NUnit.3.13.3\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.13.3\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -177,7 +178,12 @@
     <Folder Include="KernelWrappers\MacroStabilityCommon\TestFiles\" />
   </ItemGroup>
   <Import Project="$(ProjectDir)..\build\Deltares.DamEngine.Version.targets" />
-
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105.The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\NUnit.3.13.3\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.13.3\build\NUnit.props'))" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
Index: DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Deltares.DamEngine.Data.Tests.csproj
===================================================================
diff -u -r3882 -r3883
--- DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Deltares.DamEngine.Data.Tests.csproj	(.../Deltares.DamEngine.Data.Tests.csproj)	(revision 3882)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Deltares.DamEngine.Data.Tests.csproj	(.../Deltares.DamEngine.Data.Tests.csproj)	(revision 3883)
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\NUnit.3.13.3\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.13.3\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -82,7 +83,12 @@
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(ProjectDir)..\build\Deltares.DamEngine.Version.targets" />
-
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105.The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\NUnit.3.13.3\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.13.3\build\NUnit.props'))" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
Index: DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/Deltares.DamEngine.Interface.Tests.csproj
===================================================================
diff -u -r3882 -r3883
--- DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/Deltares.DamEngine.Interface.Tests.csproj	(.../Deltares.DamEngine.Interface.Tests.csproj)	(revision 3882)
+++ DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/Deltares.DamEngine.Interface.Tests.csproj	(.../Deltares.DamEngine.Interface.Tests.csproj)	(revision 3883)
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\NUnit.3.13.3\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.13.3\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -85,7 +86,12 @@
   </ItemGroup>
   <ItemGroup />
   <Import Project="$(ProjectDir)..\build\Deltares.DamEngine.Version.targets" />
-
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105.The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\NUnit.3.13.3\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.13.3\build\NUnit.props'))" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
Index: DamEngine/trunk/src/Deltares.DamEngine.Io.Tests/Deltares.DamEngine.Io.Tests.csproj
===================================================================
diff -u -r3882 -r3883
--- DamEngine/trunk/src/Deltares.DamEngine.Io.Tests/Deltares.DamEngine.Io.Tests.csproj	(.../Deltares.DamEngine.Io.Tests.csproj)	(revision 3882)
+++ DamEngine/trunk/src/Deltares.DamEngine.Io.Tests/Deltares.DamEngine.Io.Tests.csproj	(.../Deltares.DamEngine.Io.Tests.csproj)	(revision 3883)
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\NUnit.3.13.3\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.13.3\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -60,7 +61,12 @@
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(ProjectDir)..\build\Deltares.DamEngine.Version.targets" />
-
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105.The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\NUnit.3.13.3\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.13.3\build\NUnit.props'))" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/Deltares.DamEngine.IntegrationTests.csproj
===================================================================
diff -u -r3882 -r3883
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/Deltares.DamEngine.IntegrationTests.csproj	(.../Deltares.DamEngine.IntegrationTests.csproj)	(revision 3882)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/Deltares.DamEngine.IntegrationTests.csproj	(.../Deltares.DamEngine.IntegrationTests.csproj)	(revision 3883)
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\NUnit.3.13.3\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.13.3\build\NUnit.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -356,7 +357,12 @@
   </ItemGroup>
   <ItemGroup />
   <Import Project="$(ProjectDir)..\build\Deltares.DamEngine.Version.targets" />
-
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105.The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\NUnit.3.13.3\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.13.3\build\NUnit.props'))" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">